Home / 77,635.32-116,446.48-21,476.12

Finding the Fourth Proportional to 77,635.32, 116,446.48 and 21,476.12

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Solution

The fourth proportional to 77,635.32, 116,446.48 and 21,476.12 is: 32,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,635.32 : 116,446.48 = 21,476.12 : x
  2. Step 2: Convert to fraction form
    77,635.32/116,446.48 = 21,476.12/x
  3. Step 3: Cross multiply
    77,635.32x = 116,446.48 × 21,476.12
  4. Step 4: Simplify right side
    77,635.32x = 2,500,818,578.06
  5. Step 5: Solve for x
    x = 2,500,818,578.06/77,635.32
  6. Step 6: Final answer
    x = 32,212.38

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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.