Home / 75,981.32-113,973.45-23,390.75

Finding the Fourth Proportional to 75,981.32, 113,973.45 and 23,390.75

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Solution

The fourth proportional to 75,981.32, 113,973.45 and 23,390.75 is: 35,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.32 : 113,973.45 = 23,390.75 : x
  2. Step 2: Convert to fraction form
    75,981.32/113,973.45 = 23,390.75/x
  3. Step 3: Cross multiply
    75,981.32x = 113,973.45 × 23,390.75
  4. Step 4: Simplify right side
    75,981.32x = 2,665,924,475.59
  5. Step 5: Solve for x
    x = 2,665,924,475.59/75,981.32
  6. Step 6: Final answer
    x = 35,086.58

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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.