Home / 70,224.68-105,363.62-42,164.33

Finding the Fourth Proportional to 70,224.68, 105,363.62 and 42,164.33

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Solution

The fourth proportional to 70,224.68, 105,363.62 and 42,164.33 is: 63,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,224.68 : 105,363.62 = 42,164.33 : x
  2. Step 2: Convert to fraction form
    70,224.68/105,363.62 = 42,164.33/x
  3. Step 3: Cross multiply
    70,224.68x = 105,363.62 × 42,164.33
  4. Step 4: Simplify right side
    70,224.68x = 4,442,585,706.03
  5. Step 5: Solve for x
    x = 4,442,585,706.03/70,224.68
  6. Step 6: Final answer
    x = 63,262.46

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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.