Home / 108,607.36-149,882.40-60,861.12

Finding the Fourth Proportional to 108,607.36, 149,882.40 and 60,861.12

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Solution

The fourth proportional to 108,607.36, 149,882.40 and 60,861.12 is: 83,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,607.36 : 149,882.40 = 60,861.12 : x
  2. Step 2: Convert to fraction form
    108,607.36/149,882.40 = 60,861.12/x
  3. Step 3: Cross multiply
    108,607.36x = 149,882.40 × 60,861.12
  4. Step 4: Simplify right side
    108,607.36x = 9,122,010,732.29
  5. Step 5: Solve for x
    x = 9,122,010,732.29/108,607.36
  6. Step 6: Final answer
    x = 83,990.72

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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.