Home / 88,717.10-122,429.83-48,430.90

Finding the Fourth Proportional to 88,717.10, 122,429.83 and 48,430.90

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Solution

The fourth proportional to 88,717.10, 122,429.83 and 48,430.90 is: 66,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.10 : 122,429.83 = 48,430.90 : x
  2. Step 2: Convert to fraction form
    88,717.10/122,429.83 = 48,430.90/x
  3. Step 3: Cross multiply
    88,717.10x = 122,429.83 × 48,430.90
  4. Step 4: Simplify right side
    88,717.10x = 5,929,386,426.60
  5. Step 5: Solve for x
    x = 5,929,386,426.60/88,717.10
  6. Step 6: Final answer
    x = 66,834.76

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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.