Home / 91,041.50-125,644.76-50,213.62

Finding the Fourth Proportional to 91,041.50, 125,644.76 and 50,213.62

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Solution

The fourth proportional to 91,041.50, 125,644.76 and 50,213.62 is: 69,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,041.50 : 125,644.76 = 50,213.62 : x
  2. Step 2: Convert to fraction form
    91,041.50/125,644.76 = 50,213.62/x
  3. Step 3: Cross multiply
    91,041.50x = 125,644.76 × 50,213.62
  4. Step 4: Simplify right side
    91,041.50x = 6,309,078,233.63
  5. Step 5: Solve for x
    x = 6,309,078,233.63/91,041.50
  6. Step 6: Final answer
    x = 69,298.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.