Home / 98,344.98-147,517.65-42,148.65

Finding the Fourth Proportional to 98,344.98, 147,517.65 and 42,148.65

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Solution

The fourth proportional to 98,344.98, 147,517.65 and 42,148.65 is: 63,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,344.98 : 147,517.65 = 42,148.65 : x
  2. Step 2: Convert to fraction form
    98,344.98/147,517.65 = 42,148.65/x
  3. Step 3: Cross multiply
    98,344.98x = 147,517.65 × 42,148.65
  4. Step 4: Simplify right side
    98,344.98x = 6,217,669,798.67
  5. Step 5: Solve for x
    x = 6,217,669,798.67/98,344.98
  6. Step 6: Final answer
    x = 63,223.05

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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.