Home / 105,622.59-158,426.19-39,031.68

Finding the Fourth Proportional to 105,622.59, 158,426.19 and 39,031.68

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Solution

The fourth proportional to 105,622.59, 158,426.19 and 39,031.68 is: 58,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,622.59 : 158,426.19 = 39,031.68 : x
  2. Step 2: Convert to fraction form
    105,622.59/158,426.19 = 39,031.68/x
  3. Step 3: Cross multiply
    105,622.59x = 158,426.19 × 39,031.68
  4. Step 4: Simplify right side
    105,622.59x = 6,183,640,351.70
  5. Step 5: Solve for x
    x = 6,183,640,351.70/105,622.59
  6. Step 6: Final answer
    x = 58,544.68

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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.