Home / 98,395.40-147,577.26-28,258.76

Finding the Fourth Proportional to 98,395.40, 147,577.26 and 28,258.76

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Solution

The fourth proportional to 98,395.40, 147,577.26 and 28,258.76 is: 42,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,395.40 : 147,577.26 = 28,258.76 : x
  2. Step 2: Convert to fraction form
    98,395.40/147,577.26 = 28,258.76/x
  3. Step 3: Cross multiply
    98,395.40x = 147,577.26 × 28,258.76
  4. Step 4: Simplify right side
    98,395.40x = 4,170,350,371.80
  5. Step 5: Solve for x
    x = 4,170,350,371.80/98,395.40
  6. Step 6: Final answer
    x = 42,383.59

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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.