Home / 73,679.35-101,677.51-40,145.35

Finding the Fourth Proportional to 73,679.35, 101,677.51 and 40,145.35

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Solution

The fourth proportional to 73,679.35, 101,677.51 and 40,145.35 is: 55,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679.35 : 101,677.51 = 40,145.35 : x
  2. Step 2: Convert to fraction form
    73,679.35/101,677.51 = 40,145.35/x
  3. Step 3: Cross multiply
    73,679.35x = 101,677.51 × 40,145.35
  4. Step 4: Simplify right side
    73,679.35x = 4,081,879,025.35
  5. Step 5: Solve for x
    x = 4,081,879,025.35/73,679.35
  6. Step 6: Final answer
    x = 55,400.58

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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.