Home / 75,477.44-113,226.95-28,088.51

Finding the Fourth Proportional to 75,477.44, 113,226.95 and 28,088.51

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Solution

The fourth proportional to 75,477.44, 113,226.95 and 28,088.51 is: 42,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.44 : 113,226.95 = 28,088.51 : x
  2. Step 2: Convert to fraction form
    75,477.44/113,226.95 = 28,088.51/x
  3. Step 3: Cross multiply
    75,477.44x = 113,226.95 × 28,088.51
  4. Step 4: Simplify right side
    75,477.44x = 3,180,375,821.43
  5. Step 5: Solve for x
    x = 3,180,375,821.43/75,477.44
  6. Step 6: Final answer
    x = 42,136.77

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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.