Home / 87,264.47-120,416.47-49,015.36

Finding the Fourth Proportional to 87,264.47, 120,416.47 and 49,015.36

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Solution

The fourth proportional to 87,264.47, 120,416.47 and 49,015.36 is: 67,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264.47 : 120,416.47 = 49,015.36 : x
  2. Step 2: Convert to fraction form
    87,264.47/120,416.47 = 49,015.36/x
  3. Step 3: Cross multiply
    87,264.47x = 120,416.47 × 49,015.36
  4. Step 4: Simplify right side
    87,264.47x = 5,902,256,203.40
  5. Step 5: Solve for x
    x = 5,902,256,203.40/87,264.47
  6. Step 6: Final answer
    x = 67,636.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.