Home / 83,763.24-115,473.72-59,881.20

Finding the Fourth Proportional to 83,763.24, 115,473.72 and 59,881.20

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Solution

The fourth proportional to 83,763.24, 115,473.72 and 59,881.20 is: 82,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,763.24 : 115,473.72 = 59,881.20 : x
  2. Step 2: Convert to fraction form
    83,763.24/115,473.72 = 59,881.20/x
  3. Step 3: Cross multiply
    83,763.24x = 115,473.72 × 59,881.20
  4. Step 4: Simplify right side
    83,763.24x = 6,914,704,922.06
  5. Step 5: Solve for x
    x = 6,914,704,922.06/83,763.24
  6. Step 6: Final answer
    x = 82,550.59

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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.