Home / 65,880.31-90,839.58-52,452.13

Finding the Fourth Proportional to 65,880.31, 90,839.58 and 52,452.13

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Solution

The fourth proportional to 65,880.31, 90,839.58 and 52,452.13 is: 72,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880.31 : 90,839.58 = 52,452.13 : x
  2. Step 2: Convert to fraction form
    65,880.31/90,839.58 = 52,452.13/x
  3. Step 3: Cross multiply
    65,880.31x = 90,839.58 × 52,452.13
  4. Step 4: Simplify right side
    65,880.31x = 4,764,729,459.31
  5. Step 5: Solve for x
    x = 4,764,729,459.31/65,880.31
  6. Step 6: Final answer
    x = 72,324.03

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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.