Home / 75,081.87-112,678.29-60,467.18

Finding the Fourth Proportional to 75,081.87, 112,678.29 and 60,467.18

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Solution

The fourth proportional to 75,081.87, 112,678.29 and 60,467.18 is: 90,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.87 : 112,678.29 = 60,467.18 : x
  2. Step 2: Convert to fraction form
    75,081.87/112,678.29 = 60,467.18/x
  3. Step 3: Cross multiply
    75,081.87x = 112,678.29 × 60,467.18
  4. Step 4: Simplify right side
    75,081.87x = 6,813,337,880.13
  5. Step 5: Solve for x
    x = 6,813,337,880.13/75,081.87
  6. Step 6: Final answer
    x = 90,745.45

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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.