Home / 74,214.12-111,326.31-29,840.88

Finding the Fourth Proportional to 74,214.12, 111,326.31 and 29,840.88

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Solution

The fourth proportional to 74,214.12, 111,326.31 and 29,840.88 is: 44,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,214.12 : 111,326.31 = 29,840.88 : x
  2. Step 2: Convert to fraction form
    74,214.12/111,326.31 = 29,840.88/x
  3. Step 3: Cross multiply
    74,214.12x = 111,326.31 × 29,840.88
  4. Step 4: Simplify right side
    74,214.12x = 3,322,075,057.55
  5. Step 5: Solve for x
    x = 3,322,075,057.55/74,214.12
  6. Step 6: Final answer
    x = 44,763.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.