Home / 98,719.40-148,094.38-32,143.88

Finding the Fourth Proportional to 98,719.40, 148,094.38 and 32,143.88

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Solution

The fourth proportional to 98,719.40, 148,094.38 and 32,143.88 is: 48,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.40 : 148,094.38 = 32,143.88 : x
  2. Step 2: Convert to fraction form
    98,719.40/148,094.38 = 32,143.88/x
  3. Step 3: Cross multiply
    98,719.40x = 148,094.38 × 32,143.88
  4. Step 4: Simplify right side
    98,719.40x = 4,760,327,979.39
  5. Step 5: Solve for x
    x = 4,760,327,979.39/98,719.40
  6. Step 6: Final answer
    x = 48,220.80

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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.