Home / 121,424.67-182,253.65-59,138.91

Finding the Fourth Proportional to 121,424.67, 182,253.65 and 59,138.91

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Solution

The fourth proportional to 121,424.67, 182,253.65 and 59,138.91 is: 88,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424.67 : 182,253.65 = 59,138.91 : x
  2. Step 2: Convert to fraction form
    121,424.67/182,253.65 = 59,138.91/x
  3. Step 3: Cross multiply
    121,424.67x = 182,253.65 × 59,138.91
  4. Step 4: Simplify right side
    121,424.67x = 10,778,281,908.83
  5. Step 5: Solve for x
    x = 10,778,281,908.83/121,424.67
  6. Step 6: Final answer
    x = 88,765.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.