Home / 48,232.79-72,354.18-13,172.45

Finding the Fourth Proportional to 48,232.79, 72,354.18 and 13,172.45

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Solution

The fourth proportional to 48,232.79, 72,354.18 and 13,172.45 is: 19,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,232.79 : 72,354.18 = 13,172.45 : x
  2. Step 2: Convert to fraction form
    48,232.79/72,354.18 = 13,172.45/x
  3. Step 3: Cross multiply
    48,232.79x = 72,354.18 × 13,172.45
  4. Step 4: Simplify right side
    48,232.79x = 953,081,456.57
  5. Step 5: Solve for x
    x = 953,081,456.57/48,232.79
  6. Step 6: Final answer
    x = 19,760.03

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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.