Home / 90,618.55-125,053.74-50,331.29

Finding the Fourth Proportional to 90,618.55, 125,053.74 and 50,331.29

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Solution

The fourth proportional to 90,618.55, 125,053.74 and 50,331.29 is: 69,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,618.55 : 125,053.74 = 50,331.29 : x
  2. Step 2: Convert to fraction form
    90,618.55/125,053.74 = 50,331.29/x
  3. Step 3: Cross multiply
    90,618.55x = 125,053.74 × 50,331.29
  4. Step 4: Simplify right side
    90,618.55x = 6,294,115,428.26
  5. Step 5: Solve for x
    x = 6,294,115,428.26/90,618.55
  6. Step 6: Final answer
    x = 69,457.25

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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.