Home / 69,117.41-103,663.56-19,184.96

Finding the Fourth Proportional to 69,117.41, 103,663.56 and 19,184.96

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Solution

The fourth proportional to 69,117.41, 103,663.56 and 19,184.96 is: 28,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,117.41 : 103,663.56 = 19,184.96 : x
  2. Step 2: Convert to fraction form
    69,117.41/103,663.56 = 19,184.96/x
  3. Step 3: Cross multiply
    69,117.41x = 103,663.56 × 19,184.96
  4. Step 4: Simplify right side
    69,117.41x = 1,988,781,252.06
  5. Step 5: Solve for x
    x = 1,988,781,252.06/69,117.41
  6. Step 6: Final answer
    x = 28,773.96

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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.