Home / 88,920.20-133,387.30-29,756.10

Finding the Fourth Proportional to 88,920.20, 133,387.30 and 29,756.10

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Solution

The fourth proportional to 88,920.20, 133,387.30 and 29,756.10 is: 44,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,920.20 : 133,387.30 = 29,756.10 : x
  2. Step 2: Convert to fraction form
    88,920.20/133,387.30 = 29,756.10/x
  3. Step 3: Cross multiply
    88,920.20x = 133,387.30 × 29,756.10
  4. Step 4: Simplify right side
    88,920.20x = 3,969,085,837.53
  5. Step 5: Solve for x
    x = 3,969,085,837.53/88,920.20
  6. Step 6: Final answer
    x = 44,636.49

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1.5x scale

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.