Home / 105,901.75-158,867.48-31,027.24

Finding the Fourth Proportional to 105,901.75, 158,867.48 and 31,027.24

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Solution

The fourth proportional to 105,901.75, 158,867.48 and 31,027.24 is: 46,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,901.75 : 158,867.48 = 31,027.24 : x
  2. Step 2: Convert to fraction form
    105,901.75/158,867.48 = 31,027.24/x
  3. Step 3: Cross multiply
    105,901.75x = 158,867.48 × 31,027.24
  4. Step 4: Simplify right side
    105,901.75x = 4,929,219,430.16
  5. Step 5: Solve for x
    x = 4,929,219,430.16/105,901.75
  6. Step 6: Final answer
    x = 46,545.21

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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.