Home / 76,240.99-105,212.82-42,250.04

Finding the Fourth Proportional to 76,240.99, 105,212.82 and 42,250.04

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Solution

The fourth proportional to 76,240.99, 105,212.82 and 42,250.04 is: 58,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,240.99 : 105,212.82 = 42,250.04 : x
  2. Step 2: Convert to fraction form
    76,240.99/105,212.82 = 42,250.04/x
  3. Step 3: Cross multiply
    76,240.99x = 105,212.82 × 42,250.04
  4. Step 4: Simplify right side
    76,240.99x = 4,445,245,523.95
  5. Step 5: Solve for x
    x = 4,445,245,523.95/76,240.99
  6. Step 6: Final answer
    x = 58,305.19

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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.