Home / 66,406.08-99,608.76-38,307.96

Finding the Fourth Proportional to 66,406.08, 99,608.76 and 38,307.96

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Solution

The fourth proportional to 66,406.08, 99,608.76 and 38,307.96 is: 57,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,406.08 : 99,608.76 = 38,307.96 : x
  2. Step 2: Convert to fraction form
    66,406.08/99,608.76 = 38,307.96/x
  3. Step 3: Cross multiply
    66,406.08x = 99,608.76 × 38,307.96
  4. Step 4: Simplify right side
    66,406.08x = 3,815,808,393.73
  5. Step 5: Solve for x
    x = 3,815,808,393.73/66,406.08
  6. Step 6: Final answer
    x = 57,461.73

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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.