Home / 54,897.96-82,215.66-52,142.40

Finding the Fourth Proportional to 54,897.96, 82,215.66 and 52,142.40

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Solution

The fourth proportional to 54,897.96, 82,215.66 and 52,142.40 is: 78,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,897.96 : 82,215.66 = 52,142.40 : x
  2. Step 2: Convert to fraction form
    54,897.96/82,215.66 = 52,142.40/x
  3. Step 3: Cross multiply
    54,897.96x = 82,215.66 × 52,142.40
  4. Step 4: Simplify right side
    54,897.96x = 4,286,921,829.98
  5. Step 5: Solve for x
    x = 4,286,921,829.98/54,897.96
  6. Step 6: Final answer
    x = 78,088.91

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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.