Home / 64,145.16-88,462.96-40,274.04

Finding the Fourth Proportional to 64,145.16, 88,462.96 and 40,274.04

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Solution

The fourth proportional to 64,145.16, 88,462.96 and 40,274.04 is: 55,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.16 : 88,462.96 = 40,274.04 : x
  2. Step 2: Convert to fraction form
    64,145.16/88,462.96 = 40,274.04/x
  3. Step 3: Cross multiply
    64,145.16x = 88,462.96 × 40,274.04
  4. Step 4: Simplify right side
    64,145.16x = 3,562,760,789.56
  5. Step 5: Solve for x
    x = 3,562,760,789.56/64,145.16
  6. Step 6: Final answer
    x = 55,542.16

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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.