Home / 88,880.72-133,358.13-38,996.66

Finding the Fourth Proportional to 88,880.72, 133,358.13 and 38,996.66

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Solution

The fourth proportional to 88,880.72, 133,358.13 and 38,996.66 is: 58,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,880.72 : 133,358.13 = 38,996.66 : x
  2. Step 2: Convert to fraction form
    88,880.72/133,358.13 = 38,996.66/x
  3. Step 3: Cross multiply
    88,880.72x = 133,358.13 × 38,996.66
  4. Step 4: Simplify right side
    88,880.72x = 5,200,521,987.24
  5. Step 5: Solve for x
    x = 5,200,521,987.24/88,880.72
  6. Step 6: Final answer
    x = 58,511.25

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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.