Home / 87,089.22-120,175.44-48,328.02

Finding the Fourth Proportional to 87,089.22, 120,175.44 and 48,328.02

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Solution

The fourth proportional to 87,089.22, 120,175.44 and 48,328.02 is: 66,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,089.22 : 120,175.44 = 48,328.02 : x
  2. Step 2: Convert to fraction form
    87,089.22/120,175.44 = 48,328.02/x
  3. Step 3: Cross multiply
    87,089.22x = 120,175.44 × 48,328.02
  4. Step 4: Simplify right side
    87,089.22x = 5,807,841,067.83
  5. Step 5: Solve for x
    x = 5,807,841,067.83/87,089.22
  6. Step 6: Final answer
    x = 66,688.40

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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.