Home / 90,444.28-124,669.28-71,293

Finding the Fourth Proportional to 90,444.28, 124,669.28 and 71,293

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Solution

The fourth proportional to 90,444.28, 124,669.28 and 71,293 is: 98,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.28 : 124,669.28 = 71,293 : x
  2. Step 2: Convert to fraction form
    90,444.28/124,669.28 = 71,293/x
  3. Step 3: Cross multiply
    90,444.28x = 124,669.28 × 71,293
  4. Step 4: Simplify right side
    90,444.28x = 8,888,046,979.04
  5. Step 5: Solve for x
    x = 8,888,046,979.04/90,444.28
  6. Step 6: Final answer
    x = 98,270.97

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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.