Home / 45,855.36-68,781.12-14,689.92

Finding the Fourth Proportional to 45,855.36, 68,781.12 and 14,689.92

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Solution

The fourth proportional to 45,855.36, 68,781.12 and 14,689.92 is: 22,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.36 : 68,781.12 = 14,689.92 : x
  2. Step 2: Convert to fraction form
    45,855.36/68,781.12 = 14,689.92/x
  3. Step 3: Cross multiply
    45,855.36x = 68,781.12 × 14,689.92
  4. Step 4: Simplify right side
    45,855.36x = 1,010,389,150.31
  5. Step 5: Solve for x
    x = 1,010,389,150.31/45,855.36
  6. Step 6: Final answer
    x = 22,034.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.