Home / 97,310.79-134,288.92-54,869.34

Finding the Fourth Proportional to 97,310.79, 134,288.92 and 54,869.34

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Solution

The fourth proportional to 97,310.79, 134,288.92 and 54,869.34 is: 75,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,310.79 : 134,288.92 = 54,869.34 : x
  2. Step 2: Convert to fraction form
    97,310.79/134,288.92 = 54,869.34/x
  3. Step 3: Cross multiply
    97,310.79x = 134,288.92 × 54,869.34
  4. Step 4: Simplify right side
    97,310.79x = 7,368,343,601.09
  5. Step 5: Solve for x
    x = 7,368,343,601.09/97,310.79
  6. Step 6: Final answer
    x = 75,719.70

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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.