Home / 90,802.14-125,294.94-50,507.88

Finding the Fourth Proportional to 90,802.14, 125,294.94 and 50,507.88

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Solution

The fourth proportional to 90,802.14, 125,294.94 and 50,507.88 is: 69,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,802.14 : 125,294.94 = 50,507.88 : x
  2. Step 2: Convert to fraction form
    90,802.14/125,294.94 = 50,507.88/x
  3. Step 3: Cross multiply
    90,802.14x = 125,294.94 × 50,507.88
  4. Step 4: Simplify right side
    90,802.14x = 6,328,381,794.13
  5. Step 5: Solve for x
    x = 6,328,381,794.13/90,802.14
  6. Step 6: Final answer
    x = 69,694.19

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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.