Home / 82,115.52-113,319.36-44,389.77

Finding the Fourth Proportional to 82,115.52, 113,319.36 and 44,389.77

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Solution

The fourth proportional to 82,115.52, 113,319.36 and 44,389.77 is: 61,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,115.52 : 113,319.36 = 44,389.77 : x
  2. Step 2: Convert to fraction form
    82,115.52/113,319.36 = 44,389.77/x
  3. Step 3: Cross multiply
    82,115.52x = 113,319.36 × 44,389.77
  4. Step 4: Simplify right side
    82,115.52x = 5,030,220,326.95
  5. Step 5: Solve for x
    x = 5,030,220,326.95/82,115.52
  6. Step 6: Final answer
    x = 61,257.85

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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.