Home / 98,911.68-136,476.54-58,605.30

Finding the Fourth Proportional to 98,911.68, 136,476.54 and 58,605.30

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Solution

The fourth proportional to 98,911.68, 136,476.54 and 58,605.30 is: 80,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,911.68 : 136,476.54 = 58,605.30 : x
  2. Step 2: Convert to fraction form
    98,911.68/136,476.54 = 58,605.30/x
  3. Step 3: Cross multiply
    98,911.68x = 136,476.54 × 58,605.30
  4. Step 4: Simplify right side
    98,911.68x = 7,998,248,569.66
  5. Step 5: Solve for x
    x = 7,998,248,569.66/98,911.68
  6. Step 6: Final answer
    x = 80,862.53

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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.