Home / 66,022.29-99,032.36-26,578.40

Finding the Fourth Proportional to 66,022.29, 99,032.36 and 26,578.40

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Solution

The fourth proportional to 66,022.29, 99,032.36 and 26,578.40 is: 39,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,022.29 : 99,032.36 = 26,578.40 : x
  2. Step 2: Convert to fraction form
    66,022.29/99,032.36 = 26,578.40/x
  3. Step 3: Cross multiply
    66,022.29x = 99,032.36 × 26,578.40
  4. Step 4: Simplify right side
    66,022.29x = 2,632,121,048.97
  5. Step 5: Solve for x
    x = 2,632,121,048.97/66,022.29
  6. Step 6: Final answer
    x = 39,867.16

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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.