Home / 76,512.23-105,586.91-42,523.85

Finding the Fourth Proportional to 76,512.23, 105,586.91 and 42,523.85

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Solution

The fourth proportional to 76,512.23, 105,586.91 and 42,523.85 is: 58,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,512.23 : 105,586.91 = 42,523.85 : x
  2. Step 2: Convert to fraction form
    76,512.23/105,586.91 = 42,523.85/x
  3. Step 3: Cross multiply
    76,512.23x = 105,586.91 × 42,523.85
  4. Step 4: Simplify right side
    76,512.23x = 4,489,962,133.62
  5. Step 5: Solve for x
    x = 4,489,962,133.62/76,512.23
  6. Step 6: Final answer
    x = 58,682.93

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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.