Home / 65,890.50-98,934.18-64,906.35

Finding the Fourth Proportional to 65,890.50, 98,934.18 and 64,906.35

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Solution

The fourth proportional to 65,890.50, 98,934.18 and 64,906.35 is: 97,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.50 : 98,934.18 = 64,906.35 : x
  2. Step 2: Convert to fraction form
    65,890.50/98,934.18 = 64,906.35/x
  3. Step 3: Cross multiply
    65,890.50x = 98,934.18 × 64,906.35
  4. Step 4: Simplify right side
    65,890.50x = 6,421,456,514.04
  5. Step 5: Solve for x
    x = 6,421,456,514.04/65,890.50
  6. Step 6: Final answer
    x = 97,456.48

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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.