Home / 98,234.78-147,321.18-42,060.06

Finding the Fourth Proportional to 98,234.78, 147,321.18 and 42,060.06

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Solution

The fourth proportional to 98,234.78, 147,321.18 and 42,060.06 is: 63,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,234.78 : 147,321.18 = 42,060.06 : x
  2. Step 2: Convert to fraction form
    98,234.78/147,321.18 = 42,060.06/x
  3. Step 3: Cross multiply
    98,234.78x = 147,321.18 × 42,060.06
  4. Step 4: Simplify right side
    98,234.78x = 6,196,337,670.07
  5. Step 5: Solve for x
    x = 6,196,337,670.07/98,234.78
  6. Step 6: Final answer
    x = 63,076.82

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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.