Home / 82,567.43-113,990.31-54,355.13

Finding the Fourth Proportional to 82,567.43, 113,990.31 and 54,355.13

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Solution

The fourth proportional to 82,567.43, 113,990.31 and 54,355.13 is: 75,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,567.43 : 113,990.31 = 54,355.13 : x
  2. Step 2: Convert to fraction form
    82,567.43/113,990.31 = 54,355.13/x
  3. Step 3: Cross multiply
    82,567.43x = 113,990.31 × 54,355.13
  4. Step 4: Simplify right side
    82,567.43x = 6,195,957,548.84
  5. Step 5: Solve for x
    x = 6,195,957,548.84/82,567.43
  6. Step 6: Final answer
    x = 75,041.19

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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.