Home / 76,915.02-106,060.77-60,753.90

Finding the Fourth Proportional to 76,915.02, 106,060.77 and 60,753.90

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Solution

The fourth proportional to 76,915.02, 106,060.77 and 60,753.90 is: 83,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,915.02 : 106,060.77 = 60,753.90 : x
  2. Step 2: Convert to fraction form
    76,915.02/106,060.77 = 60,753.90/x
  3. Step 3: Cross multiply
    76,915.02x = 106,060.77 × 60,753.90
  4. Step 4: Simplify right side
    76,915.02x = 6,443,605,414.50
  5. Step 5: Solve for x
    x = 6,443,605,414.50/76,915.02
  6. Step 6: Final answer
    x = 83,775.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.