Home / 105,384.06-158,076.36-43,054.56

Finding the Fourth Proportional to 105,384.06, 158,076.36 and 43,054.56

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Solution

The fourth proportional to 105,384.06, 158,076.36 and 43,054.56 is: 64,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,384.06 : 158,076.36 = 43,054.56 : x
  2. Step 2: Convert to fraction form
    105,384.06/158,076.36 = 43,054.56/x
  3. Step 3: Cross multiply
    105,384.06x = 158,076.36 × 43,054.56
  4. Step 4: Simplify right side
    105,384.06x = 6,805,908,126.20
  5. Step 5: Solve for x
    x = 6,805,908,126.20/105,384.06
  6. Step 6: Final answer
    x = 64,581.95

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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.