Home / 96,138.96-144,225.06-42,849.90

Finding the Fourth Proportional to 96,138.96, 144,225.06 and 42,849.90

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Solution

The fourth proportional to 96,138.96, 144,225.06 and 42,849.90 is: 64,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,138.96 : 144,225.06 = 42,849.90 : x
  2. Step 2: Convert to fraction form
    96,138.96/144,225.06 = 42,849.90/x
  3. Step 3: Cross multiply
    96,138.96x = 144,225.06 × 42,849.90
  4. Step 4: Simplify right side
    96,138.96x = 6,180,029,398.49
  5. Step 5: Solve for x
    x = 6,180,029,398.49/96,138.96
  6. Step 6: Final answer
    x = 64,282.26

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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.