Home / 89,965.79-134,948.87-23,405.81

Finding the Fourth Proportional to 89,965.79, 134,948.87 and 23,405.81

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Solution

The fourth proportional to 89,965.79, 134,948.87 and 23,405.81 is: 35,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,965.79 : 134,948.87 = 23,405.81 : x
  2. Step 2: Convert to fraction form
    89,965.79/134,948.87 = 23,405.81/x
  3. Step 3: Cross multiply
    89,965.79x = 134,948.87 × 23,405.81
  4. Step 4: Simplify right side
    89,965.79x = 3,158,587,610.93
  5. Step 5: Solve for x
    x = 3,158,587,610.93/89,965.79
  6. Step 6: Final answer
    x = 35,108.76

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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.