Home / 107,949.40-161,924.10-70,551.70

Finding the Fourth Proportional to 107,949.40, 161,924.10 and 70,551.70

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Solution

The fourth proportional to 107,949.40, 161,924.10 and 70,551.70 is: 105,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.40 : 161,924.10 = 70,551.70 : x
  2. Step 2: Convert to fraction form
    107,949.40/161,924.10 = 70,551.70/x
  3. Step 3: Cross multiply
    107,949.40x = 161,924.10 × 70,551.70
  4. Step 4: Simplify right side
    107,949.40x = 11,424,020,525.97
  5. Step 5: Solve for x
    x = 11,424,020,525.97/107,949.40
  6. Step 6: Final answer
    x = 105,827.55

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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.