Home / 82,909.02-114,414.72-47,110.92

Finding the Fourth Proportional to 82,909.02, 114,414.72 and 47,110.92

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Solution

The fourth proportional to 82,909.02, 114,414.72 and 47,110.92 is: 65,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,909.02 : 114,414.72 = 47,110.92 : x
  2. Step 2: Convert to fraction form
    82,909.02/114,414.72 = 47,110.92/x
  3. Step 3: Cross multiply
    82,909.02x = 114,414.72 × 47,110.92
  4. Step 4: Simplify right side
    82,909.02x = 5,390,182,720.74
  5. Step 5: Solve for x
    x = 5,390,182,720.74/82,909.02
  6. Step 6: Final answer
    x = 65,013.22

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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.