Home / 97,163.04-145,744.59-75,008.76

Finding the Fourth Proportional to 97,163.04, 145,744.59 and 75,008.76

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Solution

The fourth proportional to 97,163.04, 145,744.59 and 75,008.76 is: 112,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,163.04 : 145,744.59 = 75,008.76 : x
  2. Step 2: Convert to fraction form
    97,163.04/145,744.59 = 75,008.76/x
  3. Step 3: Cross multiply
    97,163.04x = 145,744.59 × 75,008.76
  4. Step 4: Simplify right side
    97,163.04x = 10,932,120,972.61
  5. Step 5: Solve for x
    x = 10,932,120,972.61/97,163.04
  6. Step 6: Final answer
    x = 112,513.16

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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.