Home / 66,320.32-99,469.68-26,875.84

Finding the Fourth Proportional to 66,320.32, 99,469.68 and 26,875.84

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Solution

The fourth proportional to 66,320.32, 99,469.68 and 26,875.84 is: 40,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.32 : 99,469.68 = 26,875.84 : x
  2. Step 2: Convert to fraction form
    66,320.32/99,469.68 = 26,875.84/x
  3. Step 3: Cross multiply
    66,320.32x = 99,469.68 × 26,875.84
  4. Step 4: Simplify right side
    66,320.32x = 2,673,331,204.53
  5. Step 5: Solve for x
    x = 2,673,331,204.53/66,320.32
  6. Step 6: Final answer
    x = 40,309.38

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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.