Home / 66,484.71-99,727.91-22,111.45

Finding the Fourth Proportional to 66,484.71, 99,727.91 and 22,111.45

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Solution

The fourth proportional to 66,484.71, 99,727.91 and 22,111.45 is: 33,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.71 : 99,727.91 = 22,111.45 : x
  2. Step 2: Convert to fraction form
    66,484.71/99,727.91 = 22,111.45/x
  3. Step 3: Cross multiply
    66,484.71x = 99,727.91 × 22,111.45
  4. Step 4: Simplify right side
    66,484.71x = 2,205,128,695.57
  5. Step 5: Solve for x
    x = 2,205,128,695.57/66,484.71
  6. Step 6: Final answer
    x = 33,167.46

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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.