Home / 87,542.36-131,316.20-34,232.21

Finding the Fourth Proportional to 87,542.36, 131,316.20 and 34,232.21

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Solution

The fourth proportional to 87,542.36, 131,316.20 and 34,232.21 is: 51,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,542.36 : 131,316.20 = 34,232.21 : x
  2. Step 2: Convert to fraction form
    87,542.36/131,316.20 = 34,232.21/x
  3. Step 3: Cross multiply
    87,542.36x = 131,316.20 × 34,232.21
  4. Step 4: Simplify right side
    87,542.36x = 4,495,242,907.06
  5. Step 5: Solve for x
    x = 4,495,242,907.06/87,542.36
  6. Step 6: Final answer
    x = 51,349.35

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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.