Home / 98,916.60-148,371.30-39,736.20

Finding the Fourth Proportional to 98,916.60, 148,371.30 and 39,736.20

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Solution

The fourth proportional to 98,916.60, 148,371.30 and 39,736.20 is: 59,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916.60 : 148,371.30 = 39,736.20 : x
  2. Step 2: Convert to fraction form
    98,916.60/148,371.30 = 39,736.20/x
  3. Step 3: Cross multiply
    98,916.60x = 148,371.30 × 39,736.20
  4. Step 4: Simplify right side
    98,916.60x = 5,895,711,651.06
  5. Step 5: Solve for x
    x = 5,895,711,651.06/98,916.60
  6. Step 6: Final answer
    x = 59,602.85

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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.