Home / 48,138.72-72,181.63-14,849.56

Finding the Fourth Proportional to 48,138.72, 72,181.63 and 14,849.56

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Solution

The fourth proportional to 48,138.72, 72,181.63 and 14,849.56 is: 22,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.72 : 72,181.63 = 14,849.56 : x
  2. Step 2: Convert to fraction form
    48,138.72/72,181.63 = 14,849.56/x
  3. Step 3: Cross multiply
    48,138.72x = 72,181.63 × 14,849.56
  4. Step 4: Simplify right side
    48,138.72x = 1,071,865,445.58
  5. Step 5: Solve for x
    x = 1,071,865,445.58/48,138.72
  6. Step 6: Final answer
    x = 22,266.18

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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.