Home / 83,486.95-124,772.05-61,044.89

Finding the Fourth Proportional to 83,486.95, 124,772.05 and 61,044.89

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Solution

The fourth proportional to 83,486.95, 124,772.05 and 61,044.89 is: 91,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,486.95 : 124,772.05 = 61,044.89 : x
  2. Step 2: Convert to fraction form
    83,486.95/124,772.05 = 61,044.89/x
  3. Step 3: Cross multiply
    83,486.95x = 124,772.05 × 61,044.89
  4. Step 4: Simplify right side
    83,486.95x = 7,616,695,878.24
  5. Step 5: Solve for x
    x = 7,616,695,878.24/83,486.95
  6. Step 6: Final answer
    x = 91,232.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.