Home / 83,935.59-115,841.12-48,125.49

Finding the Fourth Proportional to 83,935.59, 115,841.12 and 48,125.49

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Solution

The fourth proportional to 83,935.59, 115,841.12 and 48,125.49 is: 66,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,935.59 : 115,841.12 = 48,125.49 : x
  2. Step 2: Convert to fraction form
    83,935.59/115,841.12 = 48,125.49/x
  3. Step 3: Cross multiply
    83,935.59x = 115,841.12 × 48,125.49
  4. Step 4: Simplify right side
    83,935.59x = 5,574,910,421.52
  5. Step 5: Solve for x
    x = 5,574,910,421.52/83,935.59
  6. Step 6: Final answer
    x = 66,418.91

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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.