Home / 82,129.10-113,337.92-44,403.35

Finding the Fourth Proportional to 82,129.10, 113,337.92 and 44,403.35

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Solution

The fourth proportional to 82,129.10, 113,337.92 and 44,403.35 is: 61,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,129.10 : 113,337.92 = 44,403.35 : x
  2. Step 2: Convert to fraction form
    82,129.10/113,337.92 = 44,403.35/x
  3. Step 3: Cross multiply
    82,129.10x = 113,337.92 × 44,403.35
  4. Step 4: Simplify right side
    82,129.10x = 5,032,583,108.02
  5. Step 5: Solve for x
    x = 5,032,583,108.02/82,129.10
  6. Step 6: Final answer
    x = 61,276.49

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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.