Home / 71,201.35-98,226.97-42,890.77

Finding the Fourth Proportional to 71,201.35, 98,226.97 and 42,890.77

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Solution

The fourth proportional to 71,201.35, 98,226.97 and 42,890.77 is: 59,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,201.35 : 98,226.97 = 42,890.77 : x
  2. Step 2: Convert to fraction form
    71,201.35/98,226.97 = 42,890.77/x
  3. Step 3: Cross multiply
    71,201.35x = 98,226.97 × 42,890.77
  4. Step 4: Simplify right side
    71,201.35x = 4,213,030,378.07
  5. Step 5: Solve for x
    x = 4,213,030,378.07/71,201.35
  6. Step 6: Final answer
    x = 59,170.65

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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.