Home / 61,920.12-85,450.78-35,061.94

Finding the Fourth Proportional to 61,920.12, 85,450.78 and 35,061.94

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Solution

The fourth proportional to 61,920.12, 85,450.78 and 35,061.94 is: 48,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.12 : 85,450.78 = 35,061.94 : x
  2. Step 2: Convert to fraction form
    61,920.12/85,450.78 = 35,061.94/x
  3. Step 3: Cross multiply
    61,920.12x = 85,450.78 × 35,061.94
  4. Step 4: Simplify right side
    61,920.12x = 2,996,070,121.31
  5. Step 5: Solve for x
    x = 2,996,070,121.31/61,920.12
  6. Step 6: Final answer
    x = 48,386.05

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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.