Home / 96,390.10-144,585.15-89,829.10

Finding the Fourth Proportional to 96,390.10, 144,585.15 and 89,829.10

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Solution

The fourth proportional to 96,390.10, 144,585.15 and 89,829.10 is: 134,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,390.10 : 144,585.15 = 89,829.10 : x
  2. Step 2: Convert to fraction form
    96,390.10/144,585.15 = 89,829.10/x
  3. Step 3: Cross multiply
    96,390.10x = 144,585.15 × 89,829.10
  4. Step 4: Simplify right side
    96,390.10x = 12,987,953,897.87
  5. Step 5: Solve for x
    x = 12,987,953,897.87/96,390.10
  6. Step 6: Final answer
    x = 134,743.65

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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.