Home / 74,039.24-111,058.88-21,448.76

Finding the Fourth Proportional to 74,039.24, 111,058.88 and 21,448.76

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Solution

The fourth proportional to 74,039.24, 111,058.88 and 21,448.76 is: 32,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,039.24 : 111,058.88 = 21,448.76 : x
  2. Step 2: Convert to fraction form
    74,039.24/111,058.88 = 21,448.76/x
  3. Step 3: Cross multiply
    74,039.24x = 111,058.88 × 21,448.76
  4. Step 4: Simplify right side
    74,039.24x = 2,382,074,600.45
  5. Step 5: Solve for x
    x = 2,382,074,600.45/74,039.24
  6. Step 6: Final answer
    x = 32,173.14

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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.