Home / 75,124.42-103,667.76-41,126.38

Finding the Fourth Proportional to 75,124.42, 103,667.76 and 41,126.38

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Solution

The fourth proportional to 75,124.42, 103,667.76 and 41,126.38 is: 56,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.42 : 103,667.76 = 41,126.38 : x
  2. Step 2: Convert to fraction form
    75,124.42/103,667.76 = 41,126.38/x
  3. Step 3: Cross multiply
    75,124.42x = 103,667.76 × 41,126.38
  4. Step 4: Simplify right side
    75,124.42x = 4,263,479,691.51
  5. Step 5: Solve for x
    x = 4,263,479,691.51/75,124.42
  6. Step 6: Final answer
    x = 56,752.25

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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.