Home / 48,612.16-72,874.40-17,440.08

Finding the Fourth Proportional to 48,612.16, 72,874.40 and 17,440.08

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Solution

The fourth proportional to 48,612.16, 72,874.40 and 17,440.08 is: 26,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612.16 : 72,874.40 = 17,440.08 : x
  2. Step 2: Convert to fraction form
    48,612.16/72,874.40 = 17,440.08/x
  3. Step 3: Cross multiply
    48,612.16x = 72,874.40 × 17,440.08
  4. Step 4: Simplify right side
    48,612.16x = 1,270,935,365.95
  5. Step 5: Solve for x
    x = 1,270,935,365.95/48,612.16
  6. Step 6: Final answer
    x = 26,144.39

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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.