Home / 88,717.11-122,429.82-48,430.89

Finding the Fourth Proportional to 88,717.11, 122,429.82 and 48,430.89

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Solution

The fourth proportional to 88,717.11, 122,429.82 and 48,430.89 is: 66,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.11 : 122,429.82 = 48,430.89 : x
  2. Step 2: Convert to fraction form
    88,717.11/122,429.82 = 48,430.89/x
  3. Step 3: Cross multiply
    88,717.11x = 122,429.82 × 48,430.89
  4. Step 4: Simplify right side
    88,717.11x = 5,929,385,145.14
  5. Step 5: Solve for x
    x = 5,929,385,145.14/88,717.11
  6. Step 6: Final answer
    x = 66,834.74

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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.