Home / 71,249.59-98,308.51-42,561.55

Finding the Fourth Proportional to 71,249.59, 98,308.51 and 42,561.55

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Solution

The fourth proportional to 71,249.59, 98,308.51 and 42,561.55 is: 58,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,249.59 : 98,308.51 = 42,561.55 : x
  2. Step 2: Convert to fraction form
    71,249.59/98,308.51 = 42,561.55/x
  3. Step 3: Cross multiply
    71,249.59x = 98,308.51 × 42,561.55
  4. Step 4: Simplify right side
    71,249.59x = 4,184,162,563.79
  5. Step 5: Solve for x
    x = 4,184,162,563.79/71,249.59
  6. Step 6: Final answer
    x = 58,725.43

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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.