Home / 75,077.12-103,601.76-41,543.84

Finding the Fourth Proportional to 75,077.12, 103,601.76 and 41,543.84

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Solution

The fourth proportional to 75,077.12, 103,601.76 and 41,543.84 is: 57,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,077.12 : 103,601.76 = 41,543.84 : x
  2. Step 2: Convert to fraction form
    75,077.12/103,601.76 = 41,543.84/x
  3. Step 3: Cross multiply
    75,077.12x = 103,601.76 × 41,543.84
  4. Step 4: Simplify right side
    75,077.12x = 4,304,014,941.16
  5. Step 5: Solve for x
    x = 4,304,014,941.16/75,077.12
  6. Step 6: Final answer
    x = 57,327.92

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1.5x scale

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.