Home / 52,475.22-72,415.88-28,601.90

Finding the Fourth Proportional to 52,475.22, 72,415.88 and 28,601.90

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Solution

The fourth proportional to 52,475.22, 72,415.88 and 28,601.90 is: 39,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,475.22 : 72,415.88 = 28,601.90 : x
  2. Step 2: Convert to fraction form
    52,475.22/72,415.88 = 28,601.90/x
  3. Step 3: Cross multiply
    52,475.22x = 72,415.88 × 28,601.90
  4. Step 4: Simplify right side
    52,475.22x = 2,071,231,253.08
  5. Step 5: Solve for x
    x = 2,071,231,253.08/52,475.22
  6. Step 6: Final answer
    x = 39,470.65

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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.