Home / 120,531.67-180,831.35-44,629.07

Finding the Fourth Proportional to 120,531.67, 180,831.35 and 44,629.07

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Solution

The fourth proportional to 120,531.67, 180,831.35 and 44,629.07 is: 66,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,531.67 : 180,831.35 = 44,629.07 : x
  2. Step 2: Convert to fraction form
    120,531.67/180,831.35 = 44,629.07/x
  3. Step 3: Cross multiply
    120,531.67x = 180,831.35 × 44,629.07
  4. Step 4: Simplify right side
    120,531.67x = 8,070,333,850.04
  5. Step 5: Solve for x
    x = 8,070,333,850.04/120,531.67
  6. Step 6: Final answer
    x = 66,956.13

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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.