Home / 98,929.55-148,338.84-42,734.59

Finding the Fourth Proportional to 98,929.55, 148,338.84 and 42,734.59

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Solution

The fourth proportional to 98,929.55, 148,338.84 and 42,734.59 is: 64,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,929.55 : 148,338.84 = 42,734.59 : x
  2. Step 2: Convert to fraction form
    98,929.55/148,338.84 = 42,734.59/x
  3. Step 3: Cross multiply
    98,929.55x = 148,338.84 × 42,734.59
  4. Step 4: Simplify right side
    98,929.55x = 6,339,199,297.88
  5. Step 5: Solve for x
    x = 6,339,199,297.88/98,929.55
  6. Step 6: Final answer
    x = 64,077.91

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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.