Home / 82,641.05-123,998.33-47,101.08

Finding the Fourth Proportional to 82,641.05, 123,998.33 and 47,101.08

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Solution

The fourth proportional to 82,641.05, 123,998.33 and 47,101.08 is: 70,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,641.05 : 123,998.33 = 47,101.08 : x
  2. Step 2: Convert to fraction form
    82,641.05/123,998.33 = 47,101.08/x
  3. Step 3: Cross multiply
    82,641.05x = 123,998.33 × 47,101.08
  4. Step 4: Simplify right side
    82,641.05x = 5,840,455,261.20
  5. Step 5: Solve for x
    x = 5,840,455,261.20/82,641.05
  6. Step 6: Final answer
    x = 70,672.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.