Home / 72,820.26-109,195.29-25,434.18

Finding the Fourth Proportional to 72,820.26, 109,195.29 and 25,434.18

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Solution

The fourth proportional to 72,820.26, 109,195.29 and 25,434.18 is: 38,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,820.26 : 109,195.29 = 25,434.18 : x
  2. Step 2: Convert to fraction form
    72,820.26/109,195.29 = 25,434.18/x
  3. Step 3: Cross multiply
    72,820.26x = 109,195.29 × 25,434.18
  4. Step 4: Simplify right side
    72,820.26x = 2,777,292,661.01
  5. Step 5: Solve for x
    x = 2,777,292,661.01/72,820.26
  6. Step 6: Final answer
    x = 38,139.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.