Home / 82,376.08-113,703.15-47,928.92

Finding the Fourth Proportional to 82,376.08, 113,703.15 and 47,928.92

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Solution

The fourth proportional to 82,376.08, 113,703.15 and 47,928.92 is: 66,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,376.08 : 113,703.15 = 47,928.92 : x
  2. Step 2: Convert to fraction form
    82,376.08/113,703.15 = 47,928.92/x
  3. Step 3: Cross multiply
    82,376.08x = 113,703.15 × 47,928.92
  4. Step 4: Simplify right side
    82,376.08x = 5,449,668,791.32
  5. Step 5: Solve for x
    x = 5,449,668,791.32/82,376.08
  6. Step 6: Final answer
    x = 66,155.96

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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.