Home / 75,913.32-113,859.96-23,318.40

Finding the Fourth Proportional to 75,913.32, 113,859.96 and 23,318.40

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Solution

The fourth proportional to 75,913.32, 113,859.96 and 23,318.40 is: 34,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,913.32 : 113,859.96 = 23,318.40 : x
  2. Step 2: Convert to fraction form
    75,913.32/113,859.96 = 23,318.40/x
  3. Step 3: Cross multiply
    75,913.32x = 113,859.96 × 23,318.40
  4. Step 4: Simplify right side
    75,913.32x = 2,655,032,091.26
  5. Step 5: Solve for x
    x = 2,655,032,091.26/75,913.32
  6. Step 6: Final answer
    x = 34,974.52

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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.