Home / 65,289.28-89,959.44-44,031.28

Finding the Fourth Proportional to 65,289.28, 89,959.44 and 44,031.28

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Solution

The fourth proportional to 65,289.28, 89,959.44 and 44,031.28 is: 60,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,289.28 : 89,959.44 = 44,031.28 : x
  2. Step 2: Convert to fraction form
    65,289.28/89,959.44 = 44,031.28/x
  3. Step 3: Cross multiply
    65,289.28x = 89,959.44 × 44,031.28
  4. Step 4: Simplify right side
    65,289.28x = 3,961,029,291.28
  5. Step 5: Solve for x
    x = 3,961,029,291.28/65,289.28
  6. Step 6: Final answer
    x = 60,668.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.