Home / 75,130.06-103,675.50-41,132.05

Finding the Fourth Proportional to 75,130.06, 103,675.50 and 41,132.05

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Solution

The fourth proportional to 75,130.06, 103,675.50 and 41,132.05 is: 56,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,130.06 : 103,675.50 = 41,132.05 : x
  2. Step 2: Convert to fraction form
    75,130.06/103,675.50 = 41,132.05/x
  3. Step 3: Cross multiply
    75,130.06x = 103,675.50 × 41,132.05
  4. Step 4: Simplify right side
    75,130.06x = 4,264,385,849.78
  5. Step 5: Solve for x
    x = 4,264,385,849.78/75,130.06
  6. Step 6: Final answer
    x = 56,760.05

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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.