Home / 73,679.25-101,677.38-40,145.25

Finding the Fourth Proportional to 73,679.25, 101,677.38 and 40,145.25

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Solution

The fourth proportional to 73,679.25, 101,677.38 and 40,145.25 is: 55,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679.25 : 101,677.38 = 40,145.25 : x
  2. Step 2: Convert to fraction form
    73,679.25/101,677.38 = 40,145.25/x
  3. Step 3: Cross multiply
    73,679.25x = 101,677.38 × 40,145.25
  4. Step 4: Simplify right side
    73,679.25x = 4,081,863,839.45
  5. Step 5: Solve for x
    x = 4,081,863,839.45/73,679.25
  6. Step 6: Final answer
    x = 55,400.45

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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.