Home / 105,871.90-158,821.66-55,953.92

Finding the Fourth Proportional to 105,871.90, 158,821.66 and 55,953.92

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Solution

The fourth proportional to 105,871.90, 158,821.66 and 55,953.92 is: 83,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,871.90 : 158,821.66 = 55,953.92 : x
  2. Step 2: Convert to fraction form
    105,871.90/158,821.66 = 55,953.92/x
  3. Step 3: Cross multiply
    105,871.90x = 158,821.66 × 55,953.92
  4. Step 4: Simplify right side
    105,871.90x = 8,886,694,457.91
  5. Step 5: Solve for x
    x = 8,886,694,457.91/105,871.90
  6. Step 6: Final answer
    x = 83,938.18

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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.