Home / 86,314.37-129,462.33-23,140.83

Finding the Fourth Proportional to 86,314.37, 129,462.33 and 23,140.83

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Solution

The fourth proportional to 86,314.37, 129,462.33 and 23,140.83 is: 34,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,314.37 : 129,462.33 = 23,140.83 : x
  2. Step 2: Convert to fraction form
    86,314.37/129,462.33 = 23,140.83/x
  3. Step 3: Cross multiply
    86,314.37x = 129,462.33 × 23,140.83
  4. Step 4: Simplify right side
    86,314.37x = 2,995,865,769.93
  5. Step 5: Solve for x
    x = 2,995,865,769.93/86,314.37
  6. Step 6: Final answer
    x = 34,708.77

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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.