Home / 75,341.30-103,945.18-43,052.72

Finding the Fourth Proportional to 75,341.30, 103,945.18 and 43,052.72

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Solution

The fourth proportional to 75,341.30, 103,945.18 and 43,052.72 is: 59,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.30 : 103,945.18 = 43,052.72 : x
  2. Step 2: Convert to fraction form
    75,341.30/103,945.18 = 43,052.72/x
  3. Step 3: Cross multiply
    75,341.30x = 103,945.18 × 43,052.72
  4. Step 4: Simplify right side
    75,341.30x = 4,475,122,729.89
  5. Step 5: Solve for x
    x = 4,475,122,729.89/75,341.30
  6. Step 6: Final answer
    x = 59,398.00

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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.