Home / 74,582.40-111,741.12-39,546.24

Finding the Fourth Proportional to 74,582.40, 111,741.12 and 39,546.24

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Solution

The fourth proportional to 74,582.40, 111,741.12 and 39,546.24 is: 59,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.40 : 111,741.12 = 39,546.24 : x
  2. Step 2: Convert to fraction form
    74,582.40/111,741.12 = 39,546.24/x
  3. Step 3: Cross multiply
    74,582.40x = 111,741.12 × 39,546.24
  4. Step 4: Simplify right side
    74,582.40x = 4,418,941,149.39
  5. Step 5: Solve for x
    x = 4,418,941,149.39/74,582.40
  6. Step 6: Final answer
    x = 59,249.11

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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.