Home / 61,955.10-85,498.13-33,660.78

Finding the Fourth Proportional to 61,955.10, 85,498.13 and 33,660.78

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Solution

The fourth proportional to 61,955.10, 85,498.13 and 33,660.78 is: 46,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,955.10 : 85,498.13 = 33,660.78 : x
  2. Step 2: Convert to fraction form
    61,955.10/85,498.13 = 33,660.78/x
  3. Step 3: Cross multiply
    61,955.10x = 85,498.13 × 33,660.78
  4. Step 4: Simplify right side
    61,955.10x = 2,877,933,744.34
  5. Step 5: Solve for x
    x = 2,877,933,744.34/61,955.10
  6. Step 6: Final answer
    x = 46,451.93

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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.