Home / 75,238.14-103,811.57-51,042.40

Finding the Fourth Proportional to 75,238.14, 103,811.57 and 51,042.40

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Solution

The fourth proportional to 75,238.14, 103,811.57 and 51,042.40 is: 70,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,238.14 : 103,811.57 = 51,042.40 : x
  2. Step 2: Convert to fraction form
    75,238.14/103,811.57 = 51,042.40/x
  3. Step 3: Cross multiply
    75,238.14x = 103,811.57 × 51,042.40
  4. Step 4: Simplify right side
    75,238.14x = 5,298,791,680.57
  5. Step 5: Solve for x
    x = 5,298,791,680.57/75,238.14
  6. Step 6: Final answer
    x = 70,426.94

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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.