Home / 113,763.54-156,994.20-62,776.92

Finding the Fourth Proportional to 113,763.54, 156,994.20 and 62,776.92

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Solution

The fourth proportional to 113,763.54, 156,994.20 and 62,776.92 is: 86,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763.54 : 156,994.20 = 62,776.92 : x
  2. Step 2: Convert to fraction form
    113,763.54/156,994.20 = 62,776.92/x
  3. Step 3: Cross multiply
    113,763.54x = 156,994.20 × 62,776.92
  4. Step 4: Simplify right side
    113,763.54x = 9,855,612,333.86
  5. Step 5: Solve for x
    x = 9,855,612,333.86/113,763.54
  6. Step 6: Final answer
    x = 86,632.43

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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.