Home / 72,017.19-108,007.33-49,523.21

Finding the Fourth Proportional to 72,017.19, 108,007.33 and 49,523.21

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Solution

The fourth proportional to 72,017.19, 108,007.33 and 49,523.21 is: 74,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,017.19 : 108,007.33 = 49,523.21 : x
  2. Step 2: Convert to fraction form
    72,017.19/108,007.33 = 49,523.21/x
  3. Step 3: Cross multiply
    72,017.19x = 108,007.33 × 49,523.21
  4. Step 4: Simplify right side
    72,017.19x = 5,348,869,831.34
  5. Step 5: Solve for x
    x = 5,348,869,831.34/72,017.19
  6. Step 6: Final answer
    x = 74,272.13

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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.