Home / 76,204.44-105,162.11-42,215.13

Finding the Fourth Proportional to 76,204.44, 105,162.11 and 42,215.13

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Solution

The fourth proportional to 76,204.44, 105,162.11 and 42,215.13 is: 58,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,204.44 : 105,162.11 = 42,215.13 : x
  2. Step 2: Convert to fraction form
    76,204.44/105,162.11 = 42,215.13/x
  3. Step 3: Cross multiply
    76,204.44x = 105,162.11 × 42,215.13
  4. Step 4: Simplify right side
    76,204.44x = 4,439,431,618.91
  5. Step 5: Solve for x
    x = 4,439,431,618.91/76,204.44
  6. Step 6: Final answer
    x = 58,256.86

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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.