Home / 61,868.09-85,377.93-33,573.78

Finding the Fourth Proportional to 61,868.09, 85,377.93 and 33,573.78

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Solution

The fourth proportional to 61,868.09, 85,377.93 and 33,573.78 is: 46,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,868.09 : 85,377.93 = 33,573.78 : x
  2. Step 2: Convert to fraction form
    61,868.09/85,377.93 = 33,573.78/x
  3. Step 3: Cross multiply
    61,868.09x = 85,377.93 × 33,573.78
  4. Step 4: Simplify right side
    61,868.09x = 2,866,459,838.68
  5. Step 5: Solve for x
    x = 2,866,459,838.68/61,868.09
  6. Step 6: Final answer
    x = 46,331.80

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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.