Home / 75,981.64-113,988.30-23,388.52

Finding the Fourth Proportional to 75,981.64, 113,988.30 and 23,388.52

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Solution

The fourth proportional to 75,981.64, 113,988.30 and 23,388.52 is: 35,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.64 : 113,988.30 = 23,388.52 : x
  2. Step 2: Convert to fraction form
    75,981.64/113,988.30 = 23,388.52/x
  3. Step 3: Cross multiply
    75,981.64x = 113,988.30 × 23,388.52
  4. Step 4: Simplify right side
    75,981.64x = 2,666,017,634.32
  5. Step 5: Solve for x
    x = 2,666,017,634.32/75,981.64
  6. Step 6: Final answer
    x = 35,087.66

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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.