Home / 99,581.04-137,428.62-60,835.44

Finding the Fourth Proportional to 99,581.04, 137,428.62 and 60,835.44

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Solution

The fourth proportional to 99,581.04, 137,428.62 and 60,835.44 is: 83,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,581.04 : 137,428.62 = 60,835.44 : x
  2. Step 2: Convert to fraction form
    99,581.04/137,428.62 = 60,835.44/x
  3. Step 3: Cross multiply
    99,581.04x = 137,428.62 × 60,835.44
  4. Step 4: Simplify right side
    99,581.04x = 8,360,530,566.29
  5. Step 5: Solve for x
    x = 8,360,530,566.29/99,581.04
  6. Step 6: Final answer
    x = 83,957.05

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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.