Home / 61,695.19-85,139.39-33,400.90

Finding the Fourth Proportional to 61,695.19, 85,139.39 and 33,400.90

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Solution

The fourth proportional to 61,695.19, 85,139.39 and 33,400.90 is: 46,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,695.19 : 85,139.39 = 33,400.90 : x
  2. Step 2: Convert to fraction form
    61,695.19/85,139.39 = 33,400.90/x
  3. Step 3: Cross multiply
    61,695.19x = 85,139.39 × 33,400.90
  4. Step 4: Simplify right side
    61,695.19x = 2,843,731,658.75
  5. Step 5: Solve for x
    x = 2,843,731,658.75/61,695.19
  6. Step 6: Final answer
    x = 46,093.25

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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.