Home / 88,723.10-133,084.65-87,556.70

Finding the Fourth Proportional to 88,723.10, 133,084.65 and 87,556.70

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Solution

The fourth proportional to 88,723.10, 133,084.65 and 87,556.70 is: 131,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,723.10 : 133,084.65 = 87,556.70 : x
  2. Step 2: Convert to fraction form
    88,723.10/133,084.65 = 87,556.70/x
  3. Step 3: Cross multiply
    88,723.10x = 133,084.65 × 87,556.70
  4. Step 4: Simplify right side
    88,723.10x = 11,652,452,774.66
  5. Step 5: Solve for x
    x = 11,652,452,774.66/88,723.10
  6. Step 6: Final answer
    x = 131,335.05

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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.