Home / 74,826.99-103,309.83-57,801.60

Finding the Fourth Proportional to 74,826.99, 103,309.83 and 57,801.60

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Solution

The fourth proportional to 74,826.99, 103,309.83 and 57,801.60 is: 79,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.99 : 103,309.83 = 57,801.60 : x
  2. Step 2: Convert to fraction form
    74,826.99/103,309.83 = 57,801.60/x
  3. Step 3: Cross multiply
    74,826.99x = 103,309.83 × 57,801.60
  4. Step 4: Simplify right side
    74,826.99x = 5,971,473,469.73
  5. Step 5: Solve for x
    x = 5,971,473,469.73/74,826.99
  6. Step 6: Final answer
    x = 79,803.74

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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.