Home / 86,064.24-129,096-22,890.72

Finding the Fourth Proportional to 86,064.24, 129,096 and 22,890.72

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Solution

The fourth proportional to 86,064.24, 129,096 and 22,890.72 is: 34,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,064.24 : 129,096 = 22,890.72 : x
  2. Step 2: Convert to fraction form
    86,064.24/129,096 = 22,890.72/x
  3. Step 3: Cross multiply
    86,064.24x = 129,096 × 22,890.72
  4. Step 4: Simplify right side
    86,064.24x = 2,955,100,389.12
  5. Step 5: Solve for x
    x = 2,955,100,389.12/86,064.24
  6. Step 6: Final answer
    x = 34,335.98

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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.