Home / 91,939.10-137,908.65-32,776.70

Finding the Fourth Proportional to 91,939.10, 137,908.65 and 32,776.70

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Solution

The fourth proportional to 91,939.10, 137,908.65 and 32,776.70 is: 49,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,939.10 : 137,908.65 = 32,776.70 : x
  2. Step 2: Convert to fraction form
    91,939.10/137,908.65 = 32,776.70/x
  3. Step 3: Cross multiply
    91,939.10x = 137,908.65 × 32,776.70
  4. Step 4: Simplify right side
    91,939.10x = 4,520,190,448.46
  5. Step 5: Solve for x
    x = 4,520,190,448.46/91,939.10
  6. Step 6: Final answer
    x = 49,165.05

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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.