Home / 53,692.30-74,150.51-40,242.25

Finding the Fourth Proportional to 53,692.30, 74,150.51 and 40,242.25

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Solution

The fourth proportional to 53,692.30, 74,150.51 and 40,242.25 is: 55,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.30 : 74,150.51 = 40,242.25 : x
  2. Step 2: Convert to fraction form
    53,692.30/74,150.51 = 40,242.25/x
  3. Step 3: Cross multiply
    53,692.30x = 74,150.51 × 40,242.25
  4. Step 4: Simplify right side
    53,692.30x = 2,983,983,252.52
  5. Step 5: Solve for x
    x = 2,983,983,252.52/53,692.30
  6. Step 6: Final answer
    x = 55,575.63

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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.