Home / 66,060.31-99,125.75-31,000.27

Finding the Fourth Proportional to 66,060.31, 99,125.75 and 31,000.27

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Solution

The fourth proportional to 66,060.31, 99,125.75 and 31,000.27 is: 46,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060.31 : 99,125.75 = 31,000.27 : x
  2. Step 2: Convert to fraction form
    66,060.31/99,125.75 = 31,000.27/x
  3. Step 3: Cross multiply
    66,060.31x = 99,125.75 × 31,000.27
  4. Step 4: Simplify right side
    66,060.31x = 3,072,924,858.95
  5. Step 5: Solve for x
    x = 3,072,924,858.95/66,060.31
  6. Step 6: Final answer
    x = 46,516.96

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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.