Home / 70,917.68-97,867.08-39,087.80

Finding the Fourth Proportional to 70,917.68, 97,867.08 and 39,087.80

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Solution

The fourth proportional to 70,917.68, 97,867.08 and 39,087.80 is: 53,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.68 : 97,867.08 = 39,087.80 : x
  2. Step 2: Convert to fraction form
    70,917.68/97,867.08 = 39,087.80/x
  3. Step 3: Cross multiply
    70,917.68x = 97,867.08 × 39,087.80
  4. Step 4: Simplify right side
    70,917.68x = 3,825,408,849.62
  5. Step 5: Solve for x
    x = 3,825,408,849.62/70,917.68
  6. Step 6: Final answer
    x = 53,941.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.