Home / 82,871.55-124,314.21-29,542.91

Finding the Fourth Proportional to 82,871.55, 124,314.21 and 29,542.91

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Solution

The fourth proportional to 82,871.55, 124,314.21 and 29,542.91 is: 44,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,871.55 : 124,314.21 = 29,542.91 : x
  2. Step 2: Convert to fraction form
    82,871.55/124,314.21 = 29,542.91/x
  3. Step 3: Cross multiply
    82,871.55x = 124,314.21 × 29,542.91
  4. Step 4: Simplify right side
    82,871.55x = 3,672,602,896.18
  5. Step 5: Solve for x
    x = 3,672,602,896.18/82,871.55
  6. Step 6: Final answer
    x = 44,316.81

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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.