Home / 66,417.76-99,607.20-54,701.92

Finding the Fourth Proportional to 66,417.76, 99,607.20 and 54,701.92

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Solution

The fourth proportional to 66,417.76, 99,607.20 and 54,701.92 is: 82,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,417.76 : 99,607.20 = 54,701.92 : x
  2. Step 2: Convert to fraction form
    66,417.76/99,607.20 = 54,701.92/x
  3. Step 3: Cross multiply
    66,417.76x = 99,607.20 × 54,701.92
  4. Step 4: Simplify right side
    66,417.76x = 5,448,705,085.82
  5. Step 5: Solve for x
    x = 5,448,705,085.82/66,417.76
  6. Step 6: Final answer
    x = 82,036.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.