Home / 75,915.32-113,862.96-23,320.40

Finding the Fourth Proportional to 75,915.32, 113,862.96 and 23,320.40

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Solution

The fourth proportional to 75,915.32, 113,862.96 and 23,320.40 is: 34,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,915.32 : 113,862.96 = 23,320.40 : x
  2. Step 2: Convert to fraction form
    75,915.32/113,862.96 = 23,320.40/x
  3. Step 3: Cross multiply
    75,915.32x = 113,862.96 × 23,320.40
  4. Step 4: Simplify right side
    75,915.32x = 2,655,329,772.38
  5. Step 5: Solve for x
    x = 2,655,329,772.38/75,915.32
  6. Step 6: Final answer
    x = 34,977.52

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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.