Home / 108,635.06-149,915.15-60,887.39

Finding the Fourth Proportional to 108,635.06, 149,915.15 and 60,887.39

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Solution

The fourth proportional to 108,635.06, 149,915.15 and 60,887.39 is: 84,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,635.06 : 149,915.15 = 60,887.39 : x
  2. Step 2: Convert to fraction form
    108,635.06/149,915.15 = 60,887.39/x
  3. Step 3: Cross multiply
    108,635.06x = 149,915.15 × 60,887.39
  4. Step 4: Simplify right side
    108,635.06x = 9,127,941,150.95
  5. Step 5: Solve for x
    x = 9,127,941,150.95/108,635.06
  6. Step 6: Final answer
    x = 84,023.90

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1.5x scale

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.