Home / 98,845.11-148,328.55-38,863.02

Finding the Fourth Proportional to 98,845.11, 148,328.55 and 38,863.02

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Solution

The fourth proportional to 98,845.11, 148,328.55 and 38,863.02 is: 58,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.11 : 148,328.55 = 38,863.02 : x
  2. Step 2: Convert to fraction form
    98,845.11/148,328.55 = 38,863.02/x
  3. Step 3: Cross multiply
    98,845.11x = 148,328.55 × 38,863.02
  4. Step 4: Simplify right side
    98,845.11x = 5,764,495,405.22
  5. Step 5: Solve for x
    x = 5,764,495,405.22/98,845.11
  6. Step 6: Final answer
    x = 58,318.47

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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.