Home / 48,213.72-72,320.18-13,153.41

Finding the Fourth Proportional to 48,213.72, 72,320.18 and 13,153.41

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Solution

The fourth proportional to 48,213.72, 72,320.18 and 13,153.41 is: 19,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,213.72 : 72,320.18 = 13,153.41 : x
  2. Step 2: Convert to fraction form
    48,213.72/72,320.18 = 13,153.41/x
  3. Step 3: Cross multiply
    48,213.72x = 72,320.18 × 13,153.41
  4. Step 4: Simplify right side
    48,213.72x = 951,256,913.05
  5. Step 5: Solve for x
    x = 951,256,913.05/48,213.72
  6. Step 6: Final answer
    x = 19,730.00

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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.