Home / 57,519.18-86,293.08-45,717.48

Finding the Fourth Proportional to 57,519.18, 86,293.08 and 45,717.48

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Solution

The fourth proportional to 57,519.18, 86,293.08 and 45,717.48 is: 68,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.18 : 86,293.08 = 45,717.48 : x
  2. Step 2: Convert to fraction form
    57,519.18/86,293.08 = 45,717.48/x
  3. Step 3: Cross multiply
    57,519.18x = 86,293.08 × 45,717.48
  4. Step 4: Simplify right side
    57,519.18x = 3,945,102,159.04
  5. Step 5: Solve for x
    x = 3,945,102,159.04/57,519.18
  6. Step 6: Final answer
    x = 68,587.59

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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.