Home / 74,150.76-111,226.11-29,777.51

Finding the Fourth Proportional to 74,150.76, 111,226.11 and 29,777.51

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Solution

The fourth proportional to 74,150.76, 111,226.11 and 29,777.51 is: 44,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.76 : 111,226.11 = 29,777.51 : x
  2. Step 2: Convert to fraction form
    74,150.76/111,226.11 = 29,777.51/x
  3. Step 3: Cross multiply
    74,150.76x = 111,226.11 × 29,777.51
  4. Step 4: Simplify right side
    74,150.76x = 3,312,036,046.66
  5. Step 5: Solve for x
    x = 3,312,036,046.66/74,150.76
  6. Step 6: Final answer
    x = 44,666.25

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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.