Home / 76,165.86-105,218.38-60,832.28

Finding the Fourth Proportional to 76,165.86, 105,218.38 and 60,832.28

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Solution

The fourth proportional to 76,165.86, 105,218.38 and 60,832.28 is: 84,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165.86 : 105,218.38 = 60,832.28 : x
  2. Step 2: Convert to fraction form
    76,165.86/105,218.38 = 60,832.28/x
  3. Step 3: Cross multiply
    76,165.86x = 105,218.38 × 60,832.28
  4. Step 4: Simplify right side
    76,165.86x = 6,400,673,814.68
  5. Step 5: Solve for x
    x = 6,400,673,814.68/76,165.86
  6. Step 6: Final answer
    x = 84,035.99

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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.