Home / 84,209.64-116,228.78-55,534.47

Finding the Fourth Proportional to 84,209.64, 116,228.78 and 55,534.47

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Solution

The fourth proportional to 84,209.64, 116,228.78 and 55,534.47 is: 76,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,209.64 : 116,228.78 = 55,534.47 : x
  2. Step 2: Convert to fraction form
    84,209.64/116,228.78 = 55,534.47/x
  3. Step 3: Cross multiply
    84,209.64x = 116,228.78 × 55,534.47
  4. Step 4: Simplify right side
    84,209.64x = 6,454,703,696.05
  5. Step 5: Solve for x
    x = 6,454,703,696.05/84,209.64
  6. Step 6: Final answer
    x = 76,650.41

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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.