Home / 91,932.32-126,869.42-51,646.91

Finding the Fourth Proportional to 91,932.32, 126,869.42 and 51,646.91

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Solution

The fourth proportional to 91,932.32, 126,869.42 and 51,646.91 is: 71,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,932.32 : 126,869.42 = 51,646.91 : x
  2. Step 2: Convert to fraction form
    91,932.32/126,869.42 = 51,646.91/x
  3. Step 3: Cross multiply
    91,932.32x = 126,869.42 × 51,646.91
  4. Step 4: Simplify right side
    91,932.32x = 6,552,413,011.26
  5. Step 5: Solve for x
    x = 6,552,413,011.26/91,932.32
  6. Step 6: Final answer
    x = 71,274.31

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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.