Home / 84,578.08-116,451.96-71,804.76

Finding the Fourth Proportional to 84,578.08, 116,451.96 and 71,804.76

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Solution

The fourth proportional to 84,578.08, 116,451.96 and 71,804.76 is: 98,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,578.08 : 116,451.96 = 71,804.76 : x
  2. Step 2: Convert to fraction form
    84,578.08/116,451.96 = 71,804.76/x
  3. Step 3: Cross multiply
    84,578.08x = 116,451.96 × 71,804.76
  4. Step 4: Simplify right side
    84,578.08x = 8,361,805,039.33
  5. Step 5: Solve for x
    x = 8,361,805,039.33/84,578.08
  6. Step 6: Final answer
    x = 98,864.92

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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.