Home / 71,769.23-99,037.85-54,785.35

Finding the Fourth Proportional to 71,769.23, 99,037.85 and 54,785.35

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Solution

The fourth proportional to 71,769.23, 99,037.85 and 54,785.35 is: 75,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,769.23 : 99,037.85 = 54,785.35 : x
  2. Step 2: Convert to fraction form
    71,769.23/99,037.85 = 54,785.35/x
  3. Step 3: Cross multiply
    71,769.23x = 99,037.85 × 54,785.35
  4. Step 4: Simplify right side
    71,769.23x = 5,425,823,275.50
  5. Step 5: Solve for x
    x = 5,425,823,275.50/71,769.23
  6. Step 6: Final answer
    x = 75,600.97

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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.