Home / 91,098.40-125,687.94-52,844.70

Finding the Fourth Proportional to 91,098.40, 125,687.94 and 52,844.70

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Solution

The fourth proportional to 91,098.40, 125,687.94 and 52,844.70 is: 72,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.40 : 125,687.94 = 52,844.70 : x
  2. Step 2: Convert to fraction form
    91,098.40/125,687.94 = 52,844.70/x
  3. Step 3: Cross multiply
    91,098.40x = 125,687.94 × 52,844.70
  4. Step 4: Simplify right side
    91,098.40x = 6,641,941,482.92
  5. Step 5: Solve for x
    x = 6,641,941,482.92/91,098.40
  6. Step 6: Final answer
    x = 72,909.53

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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.