Home / 105,497.74-158,355.96-70,680.70

Finding the Fourth Proportional to 105,497.74, 158,355.96 and 70,680.70

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Solution

The fourth proportional to 105,497.74, 158,355.96 and 70,680.70 is: 106,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,497.74 : 158,355.96 = 70,680.70 : x
  2. Step 2: Convert to fraction form
    105,497.74/158,355.96 = 70,680.70/x
  3. Step 3: Cross multiply
    105,497.74x = 158,355.96 × 70,680.70
  4. Step 4: Simplify right side
    105,497.74x = 11,192,710,101.97
  5. Step 5: Solve for x
    x = 11,192,710,101.97/105,497.74
  6. Step 6: Final answer
    x = 106,094.31

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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.