Home / 76,502.85-105,552.42-48,192.14

Finding the Fourth Proportional to 76,502.85, 105,552.42 and 48,192.14

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Solution

The fourth proportional to 76,502.85, 105,552.42 and 48,192.14 is: 66,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,502.85 : 105,552.42 = 48,192.14 : x
  2. Step 2: Convert to fraction form
    76,502.85/105,552.42 = 48,192.14/x
  3. Step 3: Cross multiply
    76,502.85x = 105,552.42 × 48,192.14
  4. Step 4: Simplify right side
    76,502.85x = 5,086,796,474.22
  5. Step 5: Solve for x
    x = 5,086,796,474.22/76,502.85
  6. Step 6: Final answer
    x = 66,491.59

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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.