Home / 75,916.32-113,864.46-23,321.40

Finding the Fourth Proportional to 75,916.32, 113,864.46 and 23,321.40

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Solution

The fourth proportional to 75,916.32, 113,864.46 and 23,321.40 is: 34,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.32 : 113,864.46 = 23,321.40 : x
  2. Step 2: Convert to fraction form
    75,916.32/113,864.46 = 23,321.40/x
  3. Step 3: Cross multiply
    75,916.32x = 113,864.46 × 23,321.40
  4. Step 4: Simplify right side
    75,916.32x = 2,655,478,617.44
  5. Step 5: Solve for x
    x = 2,655,478,617.44/75,916.32
  6. Step 6: Final answer
    x = 34,979.02

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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.