Home / 75,521.84-104,222.78-41,531.72

Finding the Fourth Proportional to 75,521.84, 104,222.78 and 41,531.72

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Solution

The fourth proportional to 75,521.84, 104,222.78 and 41,531.72 is: 57,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521.84 : 104,222.78 = 41,531.72 : x
  2. Step 2: Convert to fraction form
    75,521.84/104,222.78 = 41,531.72/x
  3. Step 3: Cross multiply
    75,521.84x = 104,222.78 × 41,531.72
  4. Step 4: Simplify right side
    75,521.84x = 4,328,551,316.58
  5. Step 5: Solve for x
    x = 4,328,551,316.58/75,521.84
  6. Step 6: Final answer
    x = 57,315.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.