Home / 98,662.11-136,155.20-56,219.73

Finding the Fourth Proportional to 98,662.11, 136,155.20 and 56,219.73

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Solution

The fourth proportional to 98,662.11, 136,155.20 and 56,219.73 is: 77,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,662.11 : 136,155.20 = 56,219.73 : x
  2. Step 2: Convert to fraction form
    98,662.11/136,155.20 = 56,219.73/x
  3. Step 3: Cross multiply
    98,662.11x = 136,155.20 × 56,219.73
  4. Step 4: Simplify right side
    98,662.11x = 7,654,608,301.00
  5. Step 5: Solve for x
    x = 7,654,608,301.00/98,662.11
  6. Step 6: Final answer
    x = 77,584.07

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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.