Home / 83,962.17-115,670.72-58,424.62

Finding the Fourth Proportional to 83,962.17, 115,670.72 and 58,424.62

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Solution

The fourth proportional to 83,962.17, 115,670.72 and 58,424.62 is: 80,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,962.17 : 115,670.72 = 58,424.62 : x
  2. Step 2: Convert to fraction form
    83,962.17/115,670.72 = 58,424.62/x
  3. Step 3: Cross multiply
    83,962.17x = 115,670.72 × 58,424.62
  4. Step 4: Simplify right side
    83,962.17x = 6,758,017,569.00
  5. Step 5: Solve for x
    x = 6,758,017,569.00/83,962.17
  6. Step 6: Final answer
    x = 80,488.84

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1.5x scale

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.