Home / 98,002.56-147,038.40-35,679.36

Finding the Fourth Proportional to 98,002.56, 147,038.40 and 35,679.36

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Solution

The fourth proportional to 98,002.56, 147,038.40 and 35,679.36 is: 53,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,002.56 : 147,038.40 = 35,679.36 : x
  2. Step 2: Convert to fraction form
    98,002.56/147,038.40 = 35,679.36/x
  3. Step 3: Cross multiply
    98,002.56x = 147,038.40 × 35,679.36
  4. Step 4: Simplify right side
    98,002.56x = 5,246,236,007.42
  5. Step 5: Solve for x
    x = 5,246,236,007.42/98,002.56
  6. Step 6: Final answer
    x = 53,531.62

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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.