Home / 76,242.26-105,204.36-42,249.11

Finding the Fourth Proportional to 76,242.26, 105,204.36 and 42,249.11

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Solution

The fourth proportional to 76,242.26, 105,204.36 and 42,249.11 is: 58,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,242.26 : 105,204.36 = 42,249.11 : x
  2. Step 2: Convert to fraction form
    76,242.26/105,204.36 = 42,249.11/x
  3. Step 3: Cross multiply
    76,242.26x = 105,204.36 × 42,249.11
  4. Step 4: Simplify right side
    76,242.26x = 4,444,790,052.10
  5. Step 5: Solve for x
    x = 4,444,790,052.10/76,242.26
  6. Step 6: Final answer
    x = 58,298.25

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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.