Home / 99,743.08-137,626.61-59,460.59

Finding the Fourth Proportional to 99,743.08, 137,626.61 and 59,460.59

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Solution

The fourth proportional to 99,743.08, 137,626.61 and 59,460.59 is: 82,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743.08 : 137,626.61 = 59,460.59 : x
  2. Step 2: Convert to fraction form
    99,743.08/137,626.61 = 59,460.59/x
  3. Step 3: Cross multiply
    99,743.08x = 137,626.61 × 59,460.59
  4. Step 4: Simplify right side
    99,743.08x = 8,183,359,430.30
  5. Step 5: Solve for x
    x = 8,183,359,430.30/99,743.08
  6. Step 6: Final answer
    x = 82,044.38

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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.