Home / 113,153.79-156,152.28-62,169.81

Finding the Fourth Proportional to 113,153.79, 156,152.28 and 62,169.81

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Solution

The fourth proportional to 113,153.79, 156,152.28 and 62,169.81 is: 85,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,153.79 : 156,152.28 = 62,169.81 : x
  2. Step 2: Convert to fraction form
    113,153.79/156,152.28 = 62,169.81/x
  3. Step 3: Cross multiply
    113,153.79x = 156,152.28 × 62,169.81
  4. Step 4: Simplify right side
    113,153.79x = 9,707,957,578.67
  5. Step 5: Solve for x
    x = 9,707,957,578.67/113,153.79
  6. Step 6: Final answer
    x = 85,794.37

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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.