Home / 75,677.04-104,325.21-52,945.61

Finding the Fourth Proportional to 75,677.04, 104,325.21 and 52,945.61

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Solution

The fourth proportional to 75,677.04, 104,325.21 and 52,945.61 is: 72,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,677.04 : 104,325.21 = 52,945.61 : x
  2. Step 2: Convert to fraction form
    75,677.04/104,325.21 = 52,945.61/x
  3. Step 3: Cross multiply
    75,677.04x = 104,325.21 × 52,945.61
  4. Step 4: Simplify right side
    75,677.04x = 5,523,561,360.20
  5. Step 5: Solve for x
    x = 5,523,561,360.20/75,677.04
  6. Step 6: Final answer
    x = 72,988.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.