Home / 61,161.12-84,400.80-34,301.44

Finding the Fourth Proportional to 61,161.12, 84,400.80 and 34,301.44

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Solution

The fourth proportional to 61,161.12, 84,400.80 and 34,301.44 is: 47,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,161.12 : 84,400.80 = 34,301.44 : x
  2. Step 2: Convert to fraction form
    61,161.12/84,400.80 = 34,301.44/x
  3. Step 3: Cross multiply
    61,161.12x = 84,400.80 × 34,301.44
  4. Step 4: Simplify right side
    61,161.12x = 2,895,068,977.15
  5. Step 5: Solve for x
    x = 2,895,068,977.15/61,161.12
  6. Step 6: Final answer
    x = 47,335.12

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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.