Home / 66,301.36-91,507.24-42,426.88

Finding the Fourth Proportional to 66,301.36, 91,507.24 and 42,426.88

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Solution

The fourth proportional to 66,301.36, 91,507.24 and 42,426.88 is: 58,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.36 : 91,507.24 = 42,426.88 : x
  2. Step 2: Convert to fraction form
    66,301.36/91,507.24 = 42,426.88/x
  3. Step 3: Cross multiply
    66,301.36x = 91,507.24 × 42,426.88
  4. Step 4: Simplify right side
    66,301.36x = 3,882,366,690.61
  5. Step 5: Solve for x
    x = 3,882,366,690.61/66,301.36
  6. Step 6: Final answer
    x = 58,556.37

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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.