Home / 98,220.57-147,358.05-39,097.76

Finding the Fourth Proportional to 98,220.57, 147,358.05 and 39,097.76

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Solution

The fourth proportional to 98,220.57, 147,358.05 and 39,097.76 is: 58,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,220.57 : 147,358.05 = 39,097.76 : x
  2. Step 2: Convert to fraction form
    98,220.57/147,358.05 = 39,097.76/x
  3. Step 3: Cross multiply
    98,220.57x = 147,358.05 × 39,097.76
  4. Step 4: Simplify right side
    98,220.57x = 5,761,368,789.56
  5. Step 5: Solve for x
    x = 5,761,368,789.56/98,220.57
  6. Step 6: Final answer
    x = 58,657.46

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1.5x scale

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.