Home / 84,728.33-116,920.88-48,428.69

Finding the Fourth Proportional to 84,728.33, 116,920.88 and 48,428.69

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Solution

The fourth proportional to 84,728.33, 116,920.88 and 48,428.69 is: 66,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728.33 : 116,920.88 = 48,428.69 : x
  2. Step 2: Convert to fraction form
    84,728.33/116,920.88 = 48,428.69/x
  3. Step 3: Cross multiply
    84,728.33x = 116,920.88 × 48,428.69
  4. Step 4: Simplify right side
    84,728.33x = 5,662,324,406.91
  5. Step 5: Solve for x
    x = 5,662,324,406.91/84,728.33
  6. Step 6: Final answer
    x = 66,829.18

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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.