Home / 105,204.56-157,845.71-38,688.17

Finding the Fourth Proportional to 105,204.56, 157,845.71 and 38,688.17

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Solution

The fourth proportional to 105,204.56, 157,845.71 and 38,688.17 is: 58,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,204.56 : 157,845.71 = 38,688.17 : x
  2. Step 2: Convert to fraction form
    105,204.56/157,845.71 = 38,688.17/x
  3. Step 3: Cross multiply
    105,204.56x = 157,845.71 × 38,688.17
  4. Step 4: Simplify right side
    105,204.56x = 6,106,760,969.74
  5. Step 5: Solve for x
    x = 6,106,760,969.74/105,204.56
  6. Step 6: Final answer
    x = 58,046.55

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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.