Home / 103,795.82-155,693.87-28,916.18

Finding the Fourth Proportional to 103,795.82, 155,693.87 and 28,916.18

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Solution

The fourth proportional to 103,795.82, 155,693.87 and 28,916.18 is: 43,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,795.82 : 155,693.87 = 28,916.18 : x
  2. Step 2: Convert to fraction form
    103,795.82/155,693.87 = 28,916.18/x
  3. Step 3: Cross multiply
    103,795.82x = 155,693.87 × 28,916.18
  4. Step 4: Simplify right side
    103,795.82x = 4,502,071,046.77
  5. Step 5: Solve for x
    x = 4,502,071,046.77/103,795.82
  6. Step 6: Final answer
    x = 43,374.30

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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.