Home / 87,577.74-120,841.47-49,331.34

Finding the Fourth Proportional to 87,577.74, 120,841.47 and 49,331.34

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Solution

The fourth proportional to 87,577.74, 120,841.47 and 49,331.34 is: 68,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,577.74 : 120,841.47 = 49,331.34 : x
  2. Step 2: Convert to fraction form
    87,577.74/120,841.47 = 49,331.34/x
  3. Step 3: Cross multiply
    87,577.74x = 120,841.47 × 49,331.34
  4. Step 4: Simplify right side
    87,577.74x = 5,961,271,642.67
  5. Step 5: Solve for x
    x = 5,961,271,642.67/87,577.74
  6. Step 6: Final answer
    x = 68,068.34

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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.