Home / 54,456.08-75,094.08-51,281.20

Finding the Fourth Proportional to 54,456.08, 75,094.08 and 51,281.20

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Solution

The fourth proportional to 54,456.08, 75,094.08 and 51,281.20 is: 70,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,456.08 : 75,094.08 = 51,281.20 : x
  2. Step 2: Convert to fraction form
    54,456.08/75,094.08 = 51,281.20/x
  3. Step 3: Cross multiply
    54,456.08x = 75,094.08 × 51,281.20
  4. Step 4: Simplify right side
    54,456.08x = 3,850,914,535.30
  5. Step 5: Solve for x
    x = 3,850,914,535.30/54,456.08
  6. Step 6: Final answer
    x = 70,715.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.