Home / 91,134.38-125,827.63-58,947.02

Finding the Fourth Proportional to 91,134.38, 125,827.63 and 58,947.02

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Solution

The fourth proportional to 91,134.38, 125,827.63 and 58,947.02 is: 81,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.38 : 125,827.63 = 58,947.02 : x
  2. Step 2: Convert to fraction form
    91,134.38/125,827.63 = 58,947.02/x
  3. Step 3: Cross multiply
    91,134.38x = 125,827.63 × 58,947.02
  4. Step 4: Simplify right side
    91,134.38x = 7,417,163,822.16
  5. Step 5: Solve for x
    x = 7,417,163,822.16/91,134.38
  6. Step 6: Final answer
    x = 81,387.11

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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.