Home / 113,605.62-156,776.85-62,620.35

Finding the Fourth Proportional to 113,605.62, 156,776.85 and 62,620.35

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Solution

The fourth proportional to 113,605.62, 156,776.85 and 62,620.35 is: 86,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.62 : 156,776.85 = 62,620.35 : x
  2. Step 2: Convert to fraction form
    113,605.62/156,776.85 = 62,620.35/x
  3. Step 3: Cross multiply
    113,605.62x = 156,776.85 × 62,620.35
  4. Step 4: Simplify right side
    113,605.62x = 9,817,420,435.01
  5. Step 5: Solve for x
    x = 9,817,420,435.01/113,605.62
  6. Step 6: Final answer
    x = 86,416.68

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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.