Home / 70,195.25-105,342.08-40,572.33

Finding the Fourth Proportional to 70,195.25, 105,342.08 and 40,572.33

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Solution

The fourth proportional to 70,195.25, 105,342.08 and 40,572.33 is: 60,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,195.25 : 105,342.08 = 40,572.33 : x
  2. Step 2: Convert to fraction form
    70,195.25/105,342.08 = 40,572.33/x
  3. Step 3: Cross multiply
    70,195.25x = 105,342.08 × 40,572.33
  4. Step 4: Simplify right side
    70,195.25x = 4,273,973,429.78
  5. Step 5: Solve for x
    x = 4,273,973,429.78/70,195.25
  6. Step 6: Final answer
    x = 60,886.94

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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.