Home / 105,719.72-158,529.36-61,360.07

Finding the Fourth Proportional to 105,719.72, 158,529.36 and 61,360.07

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Solution

The fourth proportional to 105,719.72, 158,529.36 and 61,360.07 is: 92,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,719.72 : 158,529.36 = 61,360.07 : x
  2. Step 2: Convert to fraction form
    105,719.72/158,529.36 = 61,360.07/x
  3. Step 3: Cross multiply
    105,719.72x = 158,529.36 × 61,360.07
  4. Step 4: Simplify right side
    105,719.72x = 9,727,372,626.66
  5. Step 5: Solve for x
    x = 9,727,372,626.66/105,719.72
  6. Step 6: Final answer
    x = 92,010.96

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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.