Home / 98,556.20-147,939.52-42,424.10

Finding the Fourth Proportional to 98,556.20, 147,939.52 and 42,424.10

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Solution

The fourth proportional to 98,556.20, 147,939.52 and 42,424.10 is: 63,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,556.20 : 147,939.52 = 42,424.10 : x
  2. Step 2: Convert to fraction form
    98,556.20/147,939.52 = 42,424.10/x
  3. Step 3: Cross multiply
    98,556.20x = 147,939.52 × 42,424.10
  4. Step 4: Simplify right side
    98,556.20x = 6,276,200,990.43
  5. Step 5: Solve for x
    x = 6,276,200,990.43/98,556.20
  6. Step 6: Final answer
    x = 63,681.44

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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.