Home / 113,503.62-156,633.53-62,515.38

Finding the Fourth Proportional to 113,503.62, 156,633.53 and 62,515.38

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Solution

The fourth proportional to 113,503.62, 156,633.53 and 62,515.38 is: 86,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,503.62 : 156,633.53 = 62,515.38 : x
  2. Step 2: Convert to fraction form
    113,503.62/156,633.53 = 62,515.38/x
  3. Step 3: Cross multiply
    113,503.62x = 156,633.53 × 62,515.38
  4. Step 4: Simplify right side
    113,503.62x = 9,792,004,336.11
  5. Step 5: Solve for x
    x = 9,792,004,336.11/113,503.62
  6. Step 6: Final answer
    x = 86,270.41

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1.5x scale

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.