Home / 48,712.48-73,071.56-13,654.87

Finding the Fourth Proportional to 48,712.48, 73,071.56 and 13,654.87

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Solution

The fourth proportional to 48,712.48, 73,071.56 and 13,654.87 is: 20,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,712.48 : 73,071.56 = 13,654.87 : x
  2. Step 2: Convert to fraction form
    48,712.48/73,071.56 = 13,654.87/x
  3. Step 3: Cross multiply
    48,712.48x = 73,071.56 × 13,654.87
  4. Step 4: Simplify right side
    48,712.48x = 997,782,835.18
  5. Step 5: Solve for x
    x = 997,782,835.18/48,712.48
  6. Step 6: Final answer
    x = 20,483.10

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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.