Home / 98,722.20-148,040.10-39,538.20

Finding the Fourth Proportional to 98,722.20, 148,040.10 and 39,538.20

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Solution

The fourth proportional to 98,722.20, 148,040.10 and 39,538.20 is: 59,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,722.20 : 148,040.10 = 39,538.20 : x
  2. Step 2: Convert to fraction form
    98,722.20/148,040.10 = 39,538.20/x
  3. Step 3: Cross multiply
    98,722.20x = 148,040.10 × 39,538.20
  4. Step 4: Simplify right side
    98,722.20x = 5,853,239,081.82
  5. Step 5: Solve for x
    x = 5,853,239,081.82/98,722.20
  6. Step 6: Final answer
    x = 59,290.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.