Home / 112,988.40-155,923.56-62,001.98

Finding the Fourth Proportional to 112,988.40, 155,923.56 and 62,001.98

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Solution

The fourth proportional to 112,988.40, 155,923.56 and 62,001.98 is: 85,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,988.40 : 155,923.56 = 62,001.98 : x
  2. Step 2: Convert to fraction form
    112,988.40/155,923.56 = 62,001.98/x
  3. Step 3: Cross multiply
    112,988.40x = 155,923.56 × 62,001.98
  4. Step 4: Simplify right side
    112,988.40x = 9,667,569,448.65
  5. Step 5: Solve for x
    x = 9,667,569,448.65/112,988.40
  6. Step 6: Final answer
    x = 85,562.50

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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.