Home / 90,935.47-125,490.09-50,646.88

Finding the Fourth Proportional to 90,935.47, 125,490.09 and 50,646.88

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Solution

The fourth proportional to 90,935.47, 125,490.09 and 50,646.88 is: 69,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,935.47 : 125,490.09 = 50,646.88 : x
  2. Step 2: Convert to fraction form
    90,935.47/125,490.09 = 50,646.88/x
  3. Step 3: Cross multiply
    90,935.47x = 125,490.09 × 50,646.88
  4. Step 4: Simplify right side
    90,935.47x = 6,355,681,529.42
  5. Step 5: Solve for x
    x = 6,355,681,529.42/90,935.47
  6. Step 6: Final answer
    x = 69,892.22

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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.