Home / 84,212.20-116,220.78-48,423.16

Finding the Fourth Proportional to 84,212.20, 116,220.78 and 48,423.16

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Solution

The fourth proportional to 84,212.20, 116,220.78 and 48,423.16 is: 66,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,212.20 : 116,220.78 = 48,423.16 : x
  2. Step 2: Convert to fraction form
    84,212.20/116,220.78 = 48,423.16/x
  3. Step 3: Cross multiply
    84,212.20x = 116,220.78 × 48,423.16
  4. Step 4: Simplify right side
    84,212.20x = 5,627,777,425.26
  5. Step 5: Solve for x
    x = 5,627,777,425.26/84,212.20
  6. Step 6: Final answer
    x = 66,828.53

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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.