Home / 113,506.10-156,639.48-62,519.02

Finding the Fourth Proportional to 113,506.10, 156,639.48 and 62,519.02

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Solution

The fourth proportional to 113,506.10, 156,639.48 and 62,519.02 is: 86,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,506.10 : 156,639.48 = 62,519.02 : x
  2. Step 2: Convert to fraction form
    113,506.10/156,639.48 = 62,519.02/x
  3. Step 3: Cross multiply
    113,506.10x = 156,639.48 × 62,519.02
  4. Step 4: Simplify right side
    113,506.10x = 9,792,946,156.86
  5. Step 5: Solve for x
    x = 9,792,946,156.86/113,506.10
  6. Step 6: Final answer
    x = 86,276.83

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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.