Home / 97,760.63-134,912.51-55,318.25

Finding the Fourth Proportional to 97,760.63, 134,912.51 and 55,318.25

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Solution

The fourth proportional to 97,760.63, 134,912.51 and 55,318.25 is: 76,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,760.63 : 134,912.51 = 55,318.25 : x
  2. Step 2: Convert to fraction form
    97,760.63/134,912.51 = 55,318.25/x
  3. Step 3: Cross multiply
    97,760.63x = 134,912.51 × 55,318.25
  4. Step 4: Simplify right side
    97,760.63x = 7,463,123,956.31
  5. Step 5: Solve for x
    x = 7,463,123,956.31/97,760.63
  6. Step 6: Final answer
    x = 76,340.79

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1.5x scale

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.