Home / 73,069.24-100,838.16-42,440.08

Finding the Fourth Proportional to 73,069.24, 100,838.16 and 42,440.08

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Solution

The fourth proportional to 73,069.24, 100,838.16 and 42,440.08 is: 58,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,069.24 : 100,838.16 = 42,440.08 : x
  2. Step 2: Convert to fraction form
    73,069.24/100,838.16 = 42,440.08/x
  3. Step 3: Cross multiply
    73,069.24x = 100,838.16 × 42,440.08
  4. Step 4: Simplify right side
    73,069.24x = 4,279,579,577.45
  5. Step 5: Solve for x
    x = 4,279,579,577.45/73,069.24
  6. Step 6: Final answer
    x = 58,568.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.