Home / 83,957.11-115,858.15-45,715.59

Finding the Fourth Proportional to 83,957.11, 115,858.15 and 45,715.59

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Solution

The fourth proportional to 83,957.11, 115,858.15 and 45,715.59 is: 63,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,957.11 : 115,858.15 = 45,715.59 : x
  2. Step 2: Convert to fraction form
    83,957.11/115,858.15 = 45,715.59/x
  3. Step 3: Cross multiply
    83,957.11x = 115,858.15 × 45,715.59
  4. Step 4: Simplify right side
    83,957.11x = 5,296,523,569.27
  5. Step 5: Solve for x
    x = 5,296,523,569.27/83,957.11
  6. Step 6: Final answer
    x = 63,086.07

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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.