Home / 61,824.06-85,320.49-39,154.74

Finding the Fourth Proportional to 61,824.06, 85,320.49 and 39,154.74

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Solution

The fourth proportional to 61,824.06, 85,320.49 and 39,154.74 is: 54,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,824.06 : 85,320.49 = 39,154.74 : x
  2. Step 2: Convert to fraction form
    61,824.06/85,320.49 = 39,154.74/x
  3. Step 3: Cross multiply
    61,824.06x = 85,320.49 × 39,154.74
  4. Step 4: Simplify right side
    61,824.06x = 3,340,701,738.13
  5. Step 5: Solve for x
    x = 3,340,701,738.13/61,824.06
  6. Step 6: Final answer
    x = 54,035.63

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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.