Home / 72,079.95-108,119.93-32,636.19

Finding the Fourth Proportional to 72,079.95, 108,119.93 and 32,636.19

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Solution

The fourth proportional to 72,079.95, 108,119.93 and 32,636.19 is: 48,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,079.95 : 108,119.93 = 32,636.19 : x
  2. Step 2: Convert to fraction form
    72,079.95/108,119.93 = 32,636.19/x
  3. Step 3: Cross multiply
    72,079.95x = 108,119.93 × 32,636.19
  4. Step 4: Simplify right side
    72,079.95x = 3,528,622,578.27
  5. Step 5: Solve for x
    x = 3,528,622,578.27/72,079.95
  6. Step 6: Final answer
    x = 48,954.29

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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.