Home / 61,695.20-85,139.00-33,400.69

Finding the Fourth Proportional to 61,695.20, 85,139.00 and 33,400.69

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Solution

The fourth proportional to 61,695.20, 85,139.00 and 33,400.69 is: 46,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,695.20 : 85,139.00 = 33,400.69 : x
  2. Step 2: Convert to fraction form
    61,695.20/85,139.00 = 33,400.69/x
  3. Step 3: Cross multiply
    61,695.20x = 85,139.00 × 33,400.69
  4. Step 4: Simplify right side
    61,695.20x = 2,843,701,091.31
  5. Step 5: Solve for x
    x = 2,843,701,091.31/61,695.20
  6. Step 6: Final answer
    x = 46,092.74

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1.5x scale

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.