Home / 54,749.88-82,070.08-47,222.96

Finding the Fourth Proportional to 54,749.88, 82,070.08 and 47,222.96

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Solution

The fourth proportional to 54,749.88, 82,070.08 and 47,222.96 is: 70,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.88 : 82,070.08 = 47,222.96 : x
  2. Step 2: Convert to fraction form
    54,749.88/82,070.08 = 47,222.96/x
  3. Step 3: Cross multiply
    54,749.88x = 82,070.08 × 47,222.96
  4. Step 4: Simplify right side
    54,749.88x = 3,875,592,105.04
  5. Step 5: Solve for x
    x = 3,875,592,105.04/54,749.88
  6. Step 6: Final answer
    x = 70,787.23

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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.