Home / 70,920.12-106,400.22-23,539.68

Finding the Fourth Proportional to 70,920.12, 106,400.22 and 23,539.68

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Solution

The fourth proportional to 70,920.12, 106,400.22 and 23,539.68 is: 35,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,920.12 : 106,400.22 = 23,539.68 : x
  2. Step 2: Convert to fraction form
    70,920.12/106,400.22 = 23,539.68/x
  3. Step 3: Cross multiply
    70,920.12x = 106,400.22 × 23,539.68
  4. Step 4: Simplify right side
    70,920.12x = 2,504,627,130.73
  5. Step 5: Solve for x
    x = 2,504,627,130.73/70,920.12
  6. Step 6: Final answer
    x = 35,316.17

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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.