Home / 65,648.23-98,472.35-52,438.75

Finding the Fourth Proportional to 65,648.23, 98,472.35 and 52,438.75

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Solution

The fourth proportional to 65,648.23, 98,472.35 and 52,438.75 is: 78,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,648.23 : 98,472.35 = 52,438.75 : x
  2. Step 2: Convert to fraction form
    65,648.23/98,472.35 = 52,438.75/x
  3. Step 3: Cross multiply
    65,648.23x = 98,472.35 × 52,438.75
  4. Step 4: Simplify right side
    65,648.23x = 5,163,766,435.19
  5. Step 5: Solve for x
    x = 5,163,766,435.19/65,648.23
  6. Step 6: Final answer
    x = 78,658.12

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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.