Home / 75,060.14-103,525.29-52,391.90

Finding the Fourth Proportional to 75,060.14, 103,525.29 and 52,391.90

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Solution

The fourth proportional to 75,060.14, 103,525.29 and 52,391.90 is: 72,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,060.14 : 103,525.29 = 52,391.90 : x
  2. Step 2: Convert to fraction form
    75,060.14/103,525.29 = 52,391.90/x
  3. Step 3: Cross multiply
    75,060.14x = 103,525.29 × 52,391.90
  4. Step 4: Simplify right side
    75,060.14x = 5,423,886,641.15
  5. Step 5: Solve for x
    x = 5,423,886,641.15/75,060.14
  6. Step 6: Final answer
    x = 72,260.55

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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.