Home / 75,256.68-112,928.76-30,915.36

Finding the Fourth Proportional to 75,256.68, 112,928.76 and 30,915.36

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Solution

The fourth proportional to 75,256.68, 112,928.76 and 30,915.36 is: 46,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,256.68 : 112,928.76 = 30,915.36 : x
  2. Step 2: Convert to fraction form
    75,256.68/112,928.76 = 30,915.36/x
  3. Step 3: Cross multiply
    75,256.68x = 112,928.76 × 30,915.36
  4. Step 4: Simplify right side
    75,256.68x = 3,491,233,269.75
  5. Step 5: Solve for x
    x = 3,491,233,269.75/75,256.68
  6. Step 6: Final answer
    x = 46,391.01

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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.