Home / 77,242.47-106,569.82-43,245.95

Finding the Fourth Proportional to 77,242.47, 106,569.82 and 43,245.95

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Solution

The fourth proportional to 77,242.47, 106,569.82 and 43,245.95 is: 59,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,242.47 : 106,569.82 = 43,245.95 : x
  2. Step 2: Convert to fraction form
    77,242.47/106,569.82 = 43,245.95/x
  3. Step 3: Cross multiply
    77,242.47x = 106,569.82 × 43,245.95
  4. Step 4: Simplify right side
    77,242.47x = 4,608,713,107.23
  5. Step 5: Solve for x
    x = 4,608,713,107.23/77,242.47
  6. Step 6: Final answer
    x = 59,665.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.