Home / 48,569.16-72,872.10-19,008.12

Finding the Fourth Proportional to 48,569.16, 72,872.10 and 19,008.12

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Solution

The fourth proportional to 48,569.16, 72,872.10 and 19,008.12 is: 28,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,569.16 : 72,872.10 = 19,008.12 : x
  2. Step 2: Convert to fraction form
    48,569.16/72,872.10 = 19,008.12/x
  3. Step 3: Cross multiply
    48,569.16x = 72,872.10 × 19,008.12
  4. Step 4: Simplify right side
    48,569.16x = 1,385,161,621.45
  5. Step 5: Solve for x
    x = 1,385,161,621.45/48,569.16
  6. Step 6: Final answer
    x = 28,519.37

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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.