Home / 99,363.20-148,947.60-49,402.40

Finding the Fourth Proportional to 99,363.20, 148,947.60 and 49,402.40

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Solution

The fourth proportional to 99,363.20, 148,947.60 and 49,402.40 is: 74,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,363.20 : 148,947.60 = 49,402.40 : x
  2. Step 2: Convert to fraction form
    99,363.20/148,947.60 = 49,402.40/x
  3. Step 3: Cross multiply
    99,363.20x = 148,947.60 × 49,402.40
  4. Step 4: Simplify right side
    99,363.20x = 7,358,368,914.24
  5. Step 5: Solve for x
    x = 7,358,368,914.24/99,363.20
  6. Step 6: Final answer
    x = 74,055.27

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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.