Home / 93,990.24-129,580.92-74,673.18

Finding the Fourth Proportional to 93,990.24, 129,580.92 and 74,673.18

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Solution

The fourth proportional to 93,990.24, 129,580.92 and 74,673.18 is: 102,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,990.24 : 129,580.92 = 74,673.18 : x
  2. Step 2: Convert to fraction form
    93,990.24/129,580.92 = 74,673.18/x
  3. Step 3: Cross multiply
    93,990.24x = 129,580.92 × 74,673.18
  4. Step 4: Simplify right side
    93,990.24x = 9,676,219,363.73
  5. Step 5: Solve for x
    x = 9,676,219,363.73/93,990.24
  6. Step 6: Final answer
    x = 102,949.19

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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.