Home / 65,338.20-90,187.02-51,933.24

Finding the Fourth Proportional to 65,338.20, 90,187.02 and 51,933.24

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Solution

The fourth proportional to 65,338.20, 90,187.02 and 51,933.24 is: 71,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,338.20 : 90,187.02 = 51,933.24 : x
  2. Step 2: Convert to fraction form
    65,338.20/90,187.02 = 51,933.24/x
  3. Step 3: Cross multiply
    65,338.20x = 90,187.02 × 51,933.24
  4. Step 4: Simplify right side
    65,338.20x = 4,683,704,154.54
  5. Step 5: Solve for x
    x = 4,683,704,154.54/65,338.20
  6. Step 6: Final answer
    x = 71,684.01

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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.