Home / 84,817.60-127,314.72-62,656

Finding the Fourth Proportional to 84,817.60, 127,314.72 and 62,656

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Solution

The fourth proportional to 84,817.60, 127,314.72 and 62,656 is: 94,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817.60 : 127,314.72 = 62,656 : x
  2. Step 2: Convert to fraction form
    84,817.60/127,314.72 = 62,656/x
  3. Step 3: Cross multiply
    84,817.60x = 127,314.72 × 62,656
  4. Step 4: Simplify right side
    84,817.60x = 7,977,031,096.32
  5. Step 5: Solve for x
    x = 7,977,031,096.32/84,817.60
  6. Step 6: Final answer
    x = 94,049.24

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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.