Home / 72,743.21-100,352.65-52,568.13

Finding the Fourth Proportional to 72,743.21, 100,352.65 and 52,568.13

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Solution

The fourth proportional to 72,743.21, 100,352.65 and 52,568.13 is: 72,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,743.21 : 100,352.65 = 52,568.13 : x
  2. Step 2: Convert to fraction form
    72,743.21/100,352.65 = 52,568.13/x
  3. Step 3: Cross multiply
    72,743.21x = 100,352.65 × 52,568.13
  4. Step 4: Simplify right side
    72,743.21x = 5,275,351,151.04
  5. Step 5: Solve for x
    x = 5,275,351,151.04/72,743.21
  6. Step 6: Final answer
    x = 72,520.19

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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.