Home / 88,874.20-133,095.30-47,229.40

Finding the Fourth Proportional to 88,874.20, 133,095.30 and 47,229.40

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Solution

The fourth proportional to 88,874.20, 133,095.30 and 47,229.40 is: 70,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,874.20 : 133,095.30 = 47,229.40 : x
  2. Step 2: Convert to fraction form
    88,874.20/133,095.30 = 47,229.40/x
  3. Step 3: Cross multiply
    88,874.20x = 133,095.30 × 47,229.40
  4. Step 4: Simplify right side
    88,874.20x = 6,286,011,161.82
  5. Step 5: Solve for x
    x = 6,286,011,161.82/88,874.20
  6. Step 6: Final answer
    x = 70,729.31

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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.