Home / 88,862.70-133,078.05-47,217.90

Finding the Fourth Proportional to 88,862.70, 133,078.05 and 47,217.90

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Solution

The fourth proportional to 88,862.70, 133,078.05 and 47,217.90 is: 70,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,862.70 : 133,078.05 = 47,217.90 : x
  2. Step 2: Convert to fraction form
    88,862.70/133,078.05 = 47,217.90/x
  3. Step 3: Cross multiply
    88,862.70x = 133,078.05 × 47,217.90
  4. Step 4: Simplify right side
    88,862.70x = 6,283,666,057.10
  5. Step 5: Solve for x
    x = 6,283,666,057.10/88,862.70
  6. Step 6: Final answer
    x = 70,712.08

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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.