Home / 64,521.20-96,742.48-28,975.61

Finding the Fourth Proportional to 64,521.20, 96,742.48 and 28,975.61

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Solution

The fourth proportional to 64,521.20, 96,742.48 and 28,975.61 is: 43,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.20 : 96,742.48 = 28,975.61 : x
  2. Step 2: Convert to fraction form
    64,521.20/96,742.48 = 28,975.61/x
  3. Step 3: Cross multiply
    64,521.20x = 96,742.48 × 28,975.61
  4. Step 4: Simplify right side
    64,521.20x = 2,803,172,370.91
  5. Step 5: Solve for x
    x = 2,803,172,370.91/64,521.20
  6. Step 6: Final answer
    x = 43,445.76

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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.