Home / 99,864.42-137,817.00-57,422.95

Finding the Fourth Proportional to 99,864.42, 137,817.00 and 57,422.95

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Solution

The fourth proportional to 99,864.42, 137,817.00 and 57,422.95 is: 79,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,864.42 : 137,817.00 = 57,422.95 : x
  2. Step 2: Convert to fraction form
    99,864.42/137,817.00 = 57,422.95/x
  3. Step 3: Cross multiply
    99,864.42x = 137,817.00 × 57,422.95
  4. Step 4: Simplify right side
    99,864.42x = 7,913,859,292.33
  5. Step 5: Solve for x
    x = 7,913,859,292.33/99,864.42
  6. Step 6: Final answer
    x = 79,246.03

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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.