Home / 89,819.90-134,535.45-48,218.30

Finding the Fourth Proportional to 89,819.90, 134,535.45 and 48,218.30

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Solution

The fourth proportional to 89,819.90, 134,535.45 and 48,218.30 is: 72,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819.90 : 134,535.45 = 48,218.30 : x
  2. Step 2: Convert to fraction form
    89,819.90/134,535.45 = 48,218.30/x
  3. Step 3: Cross multiply
    89,819.90x = 134,535.45 × 48,218.30
  4. Step 4: Simplify right side
    89,819.90x = 6,487,070,688.74
  5. Step 5: Solve for x
    x = 6,487,070,688.74/89,819.90
  6. Step 6: Final answer
    x = 72,223.09

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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.