Home / 75,015.08-112,578-35,572.32

Finding the Fourth Proportional to 75,015.08, 112,578 and 35,572.32

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Solution

The fourth proportional to 75,015.08, 112,578 and 35,572.32 is: 53,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,015.08 : 112,578 = 35,572.32 : x
  2. Step 2: Convert to fraction form
    75,015.08/112,578 = 35,572.32/x
  3. Step 3: Cross multiply
    75,015.08x = 112,578 × 35,572.32
  4. Step 4: Simplify right side
    75,015.08x = 4,004,660,640.96
  5. Step 5: Solve for x
    x = 4,004,660,640.96/75,015.08
  6. Step 6: Final answer
    x = 53,384.74

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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.