Home / 88,819.20-133,010.10-42,017.40

Finding the Fourth Proportional to 88,819.20, 133,010.10 and 42,017.40

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Solution

The fourth proportional to 88,819.20, 133,010.10 and 42,017.40 is: 62,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,819.20 : 133,010.10 = 42,017.40 : x
  2. Step 2: Convert to fraction form
    88,819.20/133,010.10 = 42,017.40/x
  3. Step 3: Cross multiply
    88,819.20x = 133,010.10 × 42,017.40
  4. Step 4: Simplify right side
    88,819.20x = 5,588,738,575.74
  5. Step 5: Solve for x
    x = 5,588,738,575.74/88,819.20
  6. Step 6: Final answer
    x = 62,922.64

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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.