Home / 83,565.77-115,322.33-51,284.22

Finding the Fourth Proportional to 83,565.77, 115,322.33 and 51,284.22

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Solution

The fourth proportional to 83,565.77, 115,322.33 and 51,284.22 is: 70,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,565.77 : 115,322.33 = 51,284.22 : x
  2. Step 2: Convert to fraction form
    83,565.77/115,322.33 = 51,284.22/x
  3. Step 3: Cross multiply
    83,565.77x = 115,322.33 × 51,284.22
  4. Step 4: Simplify right side
    83,565.77x = 5,914,216,110.99
  5. Step 5: Solve for x
    x = 5,914,216,110.99/83,565.77
  6. Step 6: Final answer
    x = 70,773.19

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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.