Home / 74,901.24-103,265.10-57,692.88

Finding the Fourth Proportional to 74,901.24, 103,265.10 and 57,692.88

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Solution

The fourth proportional to 74,901.24, 103,265.10 and 57,692.88 is: 79,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,901.24 : 103,265.10 = 57,692.88 : x
  2. Step 2: Convert to fraction form
    74,901.24/103,265.10 = 57,692.88/x
  3. Step 3: Cross multiply
    74,901.24x = 103,265.10 × 57,692.88
  4. Step 4: Simplify right side
    74,901.24x = 5,957,661,022.49
  5. Step 5: Solve for x
    x = 5,957,661,022.49/74,901.24
  6. Step 6: Final answer
    x = 79,540.22

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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.