Home / 65,967.21-90,949.13-42,052.37

Finding the Fourth Proportional to 65,967.21, 90,949.13 and 42,052.37

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Solution

The fourth proportional to 65,967.21, 90,949.13 and 42,052.37 is: 57,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,967.21 : 90,949.13 = 42,052.37 : x
  2. Step 2: Convert to fraction form
    65,967.21/90,949.13 = 42,052.37/x
  3. Step 3: Cross multiply
    65,967.21x = 90,949.13 × 42,052.37
  4. Step 4: Simplify right side
    65,967.21x = 3,824,625,958.63
  5. Step 5: Solve for x
    x = 3,824,625,958.63/65,967.21
  6. Step 6: Final answer
    x = 57,977.68

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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.