Home / 75,118.14-103,663.13-43,286.22

Finding the Fourth Proportional to 75,118.14, 103,663.13 and 43,286.22

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Solution

The fourth proportional to 75,118.14, 103,663.13 and 43,286.22 is: 59,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,118.14 : 103,663.13 = 43,286.22 : x
  2. Step 2: Convert to fraction form
    75,118.14/103,663.13 = 43,286.22/x
  3. Step 3: Cross multiply
    75,118.14x = 103,663.13 × 43,286.22
  4. Step 4: Simplify right side
    75,118.14x = 4,487,184,834.64
  5. Step 5: Solve for x
    x = 4,487,184,834.64/75,118.14
  6. Step 6: Final answer
    x = 59,735.04

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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.