Home / 98,123.20-147,195.60-35,807.20

Finding the Fourth Proportional to 98,123.20, 147,195.60 and 35,807.20

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Solution

The fourth proportional to 98,123.20, 147,195.60 and 35,807.20 is: 53,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,123.20 : 147,195.60 = 35,807.20 : x
  2. Step 2: Convert to fraction form
    98,123.20/147,195.60 = 35,807.20/x
  3. Step 3: Cross multiply
    98,123.20x = 147,195.60 × 35,807.20
  4. Step 4: Simplify right side
    98,123.20x = 5,270,662,288.32
  5. Step 5: Solve for x
    x = 5,270,662,288.32/98,123.20
  6. Step 6: Final answer
    x = 53,714.74

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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.