Home / 98,341.74-147,388.88-42,115.39

Finding the Fourth Proportional to 98,341.74, 147,388.88 and 42,115.39

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Solution

The fourth proportional to 98,341.74, 147,388.88 and 42,115.39 is: 63,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,341.74 : 147,388.88 = 42,115.39 : x
  2. Step 2: Convert to fraction form
    98,341.74/147,388.88 = 42,115.39/x
  3. Step 3: Cross multiply
    98,341.74x = 147,388.88 × 42,115.39
  4. Step 4: Simplify right side
    98,341.74x = 6,207,339,899.68
  5. Step 5: Solve for x
    x = 6,207,339,899.68/98,341.74
  6. Step 6: Final answer
    x = 63,120.09

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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.