Home / 105,618.62-158,223.79-58,729.34

Finding the Fourth Proportional to 105,618.62, 158,223.79 and 58,729.34

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Solution

The fourth proportional to 105,618.62, 158,223.79 and 58,729.34 is: 87,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,618.62 : 158,223.79 = 58,729.34 : x
  2. Step 2: Convert to fraction form
    105,618.62/158,223.79 = 58,729.34/x
  3. Step 3: Cross multiply
    105,618.62x = 158,223.79 × 58,729.34
  4. Step 4: Simplify right side
    105,618.62x = 9,292,378,759.00
  5. Step 5: Solve for x
    x = 9,292,378,759.00/105,618.62
  6. Step 6: Final answer
    x = 87,980.50

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1.5x scale

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.