Home / 61,487.07-92,199.60-28,179.06

Finding the Fourth Proportional to 61,487.07, 92,199.60 and 28,179.06

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Solution

The fourth proportional to 61,487.07, 92,199.60 and 28,179.06 is: 42,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.07 : 92,199.60 = 28,179.06 : x
  2. Step 2: Convert to fraction form
    61,487.07/92,199.60 = 28,179.06/x
  3. Step 3: Cross multiply
    61,487.07x = 92,199.60 × 28,179.06
  4. Step 4: Simplify right side
    61,487.07x = 2,598,098,060.38
  5. Step 5: Solve for x
    x = 2,598,098,060.38/61,487.07
  6. Step 6: Final answer
    x = 42,254.38

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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.