Home / 90,600.59-125,030.51-50,318.13

Finding the Fourth Proportional to 90,600.59, 125,030.51 and 50,318.13

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Solution

The fourth proportional to 90,600.59, 125,030.51 and 50,318.13 is: 69,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,600.59 : 125,030.51 = 50,318.13 : x
  2. Step 2: Convert to fraction form
    90,600.59/125,030.51 = 50,318.13/x
  3. Step 3: Cross multiply
    90,600.59x = 125,030.51 × 50,318.13
  4. Step 4: Simplify right side
    90,600.59x = 6,291,301,300.34
  5. Step 5: Solve for x
    x = 6,291,301,300.34/90,600.59
  6. Step 6: Final answer
    x = 69,439.96

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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.