Home / 98,959.20-148,088.42-61,536.90

Finding the Fourth Proportional to 98,959.20, 148,088.42 and 61,536.90

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Solution

The fourth proportional to 98,959.20, 148,088.42 and 61,536.90 is: 92,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,959.20 : 148,088.42 = 61,536.90 : x
  2. Step 2: Convert to fraction form
    98,959.20/148,088.42 = 61,536.90/x
  3. Step 3: Cross multiply
    98,959.20x = 148,088.42 × 61,536.90
  4. Step 4: Simplify right side
    98,959.20x = 9,112,902,292.70
  5. Step 5: Solve for x
    x = 9,112,902,292.70/98,959.20
  6. Step 6: Final answer
    x = 92,087.47

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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.