Home / 76,249.48-105,222.78-42,257.26

Finding the Fourth Proportional to 76,249.48, 105,222.78 and 42,257.26

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Solution

The fourth proportional to 76,249.48, 105,222.78 and 42,257.26 is: 58,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,249.48 : 105,222.78 = 42,257.26 : x
  2. Step 2: Convert to fraction form
    76,249.48/105,222.78 = 42,257.26/x
  3. Step 3: Cross multiply
    76,249.48x = 105,222.78 × 42,257.26
  4. Step 4: Simplify right side
    76,249.48x = 4,446,426,372.38
  5. Step 5: Solve for x
    x = 4,446,426,372.38/76,249.48
  6. Step 6: Final answer
    x = 58,314.19

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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.