Home / 81,175.34-112,026.22-48,920.06

Finding the Fourth Proportional to 81,175.34, 112,026.22 and 48,920.06

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Solution

The fourth proportional to 81,175.34, 112,026.22 and 48,920.06 is: 67,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,175.34 : 112,026.22 = 48,920.06 : x
  2. Step 2: Convert to fraction form
    81,175.34/112,026.22 = 48,920.06/x
  3. Step 3: Cross multiply
    81,175.34x = 112,026.22 × 48,920.06
  4. Step 4: Simplify right side
    81,175.34x = 5,480,329,403.97
  5. Step 5: Solve for x
    x = 5,480,329,403.97/81,175.34
  6. Step 6: Final answer
    x = 67,512.24

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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.