Home / 72,346.28-99,836.70-40,514.92

Finding the Fourth Proportional to 72,346.28, 99,836.70 and 40,514.92

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Solution

The fourth proportional to 72,346.28, 99,836.70 and 40,514.92 is: 55,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,346.28 : 99,836.70 = 40,514.92 : x
  2. Step 2: Convert to fraction form
    72,346.28/99,836.70 = 40,514.92/x
  3. Step 3: Cross multiply
    72,346.28x = 99,836.70 × 40,514.92
  4. Step 4: Simplify right side
    72,346.28x = 4,044,875,913.56
  5. Step 5: Solve for x
    x = 4,044,875,913.56/72,346.28
  6. Step 6: Final answer
    x = 55,909.94

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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.