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Finding the Fourth Proportional to 73,568.68, 101,576.88 and 57,454.18

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Solution

The fourth proportional to 73,568.68, 101,576.88 and 57,454.18 is: 79,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,568.68 : 101,576.88 = 57,454.18 : x
  2. Step 2: Convert to fraction form
    73,568.68/101,576.88 = 57,454.18/x
  3. Step 3: Cross multiply
    73,568.68x = 101,576.88 × 57,454.18
  4. Step 4: Simplify right side
    73,568.68x = 5,836,016,347.36
  5. Step 5: Solve for x
    x = 5,836,016,347.36/73,568.68
  6. Step 6: Final answer
    x = 79,327.46

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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.