Home / 61,638.11-85,071.01-35,792.63

Finding the Fourth Proportional to 61,638.11, 85,071.01 and 35,792.63

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Solution

The fourth proportional to 61,638.11, 85,071.01 and 35,792.63 is: 49,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,638.11 : 85,071.01 = 35,792.63 : x
  2. Step 2: Convert to fraction form
    61,638.11/85,071.01 = 35,792.63/x
  3. Step 3: Cross multiply
    61,638.11x = 85,071.01 × 35,792.63
  4. Step 4: Simplify right side
    61,638.11x = 3,044,914,669.82
  5. Step 5: Solve for x
    x = 3,044,914,669.82/61,638.11
  6. Step 6: Final answer
    x = 49,399.87

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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.