Home / 77,565.15-116,347.77-22,161.15

Finding the Fourth Proportional to 77,565.15, 116,347.77 and 22,161.15

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Solution

The fourth proportional to 77,565.15, 116,347.77 and 22,161.15 is: 33,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,565.15 : 116,347.77 = 22,161.15 : x
  2. Step 2: Convert to fraction form
    77,565.15/116,347.77 = 22,161.15/x
  3. Step 3: Cross multiply
    77,565.15x = 116,347.77 × 22,161.15
  4. Step 4: Simplify right side
    77,565.15x = 2,578,400,383.14
  5. Step 5: Solve for x
    x = 2,578,400,383.14/77,565.15
  6. Step 6: Final answer
    x = 33,241.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.