Home / 70,205.02-105,296.19-25,820.80

Finding the Fourth Proportional to 70,205.02, 105,296.19 and 25,820.80

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Solution

The fourth proportional to 70,205.02, 105,296.19 and 25,820.80 is: 38,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,205.02 : 105,296.19 = 25,820.80 : x
  2. Step 2: Convert to fraction form
    70,205.02/105,296.19 = 25,820.80/x
  3. Step 3: Cross multiply
    70,205.02x = 105,296.19 × 25,820.80
  4. Step 4: Simplify right side
    70,205.02x = 2,718,831,862.75
  5. Step 5: Solve for x
    x = 2,718,831,862.75/70,205.02
  6. Step 6: Final answer
    x = 38,727.03

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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.