Home / 102,607.65-141,587.78-59,578.73

Finding the Fourth Proportional to 102,607.65, 141,587.78 and 59,578.73

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Solution

The fourth proportional to 102,607.65, 141,587.78 and 59,578.73 is: 82,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,607.65 : 141,587.78 = 59,578.73 : x
  2. Step 2: Convert to fraction form
    102,607.65/141,587.78 = 59,578.73/x
  3. Step 3: Cross multiply
    102,607.65x = 141,587.78 × 59,578.73
  4. Step 4: Simplify right side
    102,607.65x = 8,435,619,641.04
  5. Step 5: Solve for x
    x = 8,435,619,641.04/102,607.65
  6. Step 6: Final answer
    x = 82,212.39

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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.