Home / 91,904.50-137,856.24-35,783.65

Finding the Fourth Proportional to 91,904.50, 137,856.24 and 35,783.65

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Solution

The fourth proportional to 91,904.50, 137,856.24 and 35,783.65 is: 53,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,904.50 : 137,856.24 = 35,783.65 : x
  2. Step 2: Convert to fraction form
    91,904.50/137,856.24 = 35,783.65/x
  3. Step 3: Cross multiply
    91,904.50x = 137,856.24 × 35,783.65
  4. Step 4: Simplify right side
    91,904.50x = 4,932,999,614.80
  5. Step 5: Solve for x
    x = 4,932,999,614.80/91,904.50
  6. Step 6: Final answer
    x = 53,675.28

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.