Home / 57,300.81-79,154.85-54,498.31

Finding the Fourth Proportional to 57,300.81, 79,154.85 and 54,498.31

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Solution

The fourth proportional to 57,300.81, 79,154.85 and 54,498.31 is: 75,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,300.81 : 79,154.85 = 54,498.31 : x
  2. Step 2: Convert to fraction form
    57,300.81/79,154.85 = 54,498.31/x
  3. Step 3: Cross multiply
    57,300.81x = 79,154.85 × 54,498.31
  4. Step 4: Simplify right side
    57,300.81x = 4,313,805,553.30
  5. Step 5: Solve for x
    x = 4,313,805,553.30/57,300.81
  6. Step 6: Final answer
    x = 75,283.50

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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.