Home / 48,047.85-72,055.17-18,056.79

Finding the Fourth Proportional to 48,047.85, 72,055.17 and 18,056.79

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Solution

The fourth proportional to 48,047.85, 72,055.17 and 18,056.79 is: 27,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,047.85 : 72,055.17 = 18,056.79 : x
  2. Step 2: Convert to fraction form
    48,047.85/72,055.17 = 18,056.79/x
  3. Step 3: Cross multiply
    48,047.85x = 72,055.17 × 18,056.79
  4. Step 4: Simplify right side
    48,047.85x = 1,301,085,073.10
  5. Step 5: Solve for x
    x = 1,301,085,073.10/48,047.85
  6. Step 6: Final answer
    x = 27,078.94

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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.