Home / 83,872.14-115,779.87-59,957.34

Finding the Fourth Proportional to 83,872.14, 115,779.87 and 59,957.34

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Solution

The fourth proportional to 83,872.14, 115,779.87 and 59,957.34 is: 82,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,872.14 : 115,779.87 = 59,957.34 : x
  2. Step 2: Convert to fraction form
    83,872.14/115,779.87 = 59,957.34/x
  3. Step 3: Cross multiply
    83,872.14x = 115,779.87 × 59,957.34
  4. Step 4: Simplify right side
    83,872.14x = 6,941,853,030.75
  5. Step 5: Solve for x
    x = 6,941,853,030.75/83,872.14
  6. Step 6: Final answer
    x = 82,767.09

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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.