Home / 97,764.50-146,417.04-47,687.72

Finding the Fourth Proportional to 97,764.50, 146,417.04 and 47,687.72

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Solution

The fourth proportional to 97,764.50, 146,417.04 and 47,687.72 is: 71,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,764.50 : 146,417.04 = 47,687.72 : x
  2. Step 2: Convert to fraction form
    97,764.50/146,417.04 = 47,687.72/x
  3. Step 3: Cross multiply
    97,764.50x = 146,417.04 × 47,687.72
  4. Step 4: Simplify right side
    97,764.50x = 6,982,294,806.75
  5. Step 5: Solve for x
    x = 6,982,294,806.75/97,764.50
  6. Step 6: Final answer
    x = 71,419.53

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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.