Home / 83,947.27-115,903.04-64,531.77

Finding the Fourth Proportional to 83,947.27, 115,903.04 and 64,531.77

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Solution

The fourth proportional to 83,947.27, 115,903.04 and 64,531.77 is: 89,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.27 : 115,903.04 = 64,531.77 : x
  2. Step 2: Convert to fraction form
    83,947.27/115,903.04 = 64,531.77/x
  3. Step 3: Cross multiply
    83,947.27x = 115,903.04 × 64,531.77
  4. Step 4: Simplify right side
    83,947.27x = 7,479,428,319.58
  5. Step 5: Solve for x
    x = 7,479,428,319.58/83,947.27
  6. Step 6: Final answer
    x = 89,096.74

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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.