Home / 98,538.28-147,829.30-28,412.14

Finding the Fourth Proportional to 98,538.28, 147,829.30 and 28,412.14

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Solution

The fourth proportional to 98,538.28, 147,829.30 and 28,412.14 is: 42,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,538.28 : 147,829.30 = 28,412.14 : x
  2. Step 2: Convert to fraction form
    98,538.28/147,829.30 = 28,412.14/x
  3. Step 3: Cross multiply
    98,538.28x = 147,829.30 × 28,412.14
  4. Step 4: Simplify right side
    98,538.28x = 4,200,146,767.70
  5. Step 5: Solve for x
    x = 4,200,146,767.70/98,538.28
  6. Step 6: Final answer
    x = 42,624.52

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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.