Home / 90,747.95-125,235.08-50,463.41

Finding the Fourth Proportional to 90,747.95, 125,235.08 and 50,463.41

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Solution

The fourth proportional to 90,747.95, 125,235.08 and 50,463.41 is: 69,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.95 : 125,235.08 = 50,463.41 : x
  2. Step 2: Convert to fraction form
    90,747.95/125,235.08 = 50,463.41/x
  3. Step 3: Cross multiply
    90,747.95x = 125,235.08 × 50,463.41
  4. Step 4: Simplify right side
    90,747.95x = 6,319,788,309.93
  5. Step 5: Solve for x
    x = 6,319,788,309.93/90,747.95
  6. Step 6: Final answer
    x = 69,641.12

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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.