Home / 84,228.52-116,245.55-47,938.79

Finding the Fourth Proportional to 84,228.52, 116,245.55 and 47,938.79

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Solution

The fourth proportional to 84,228.52, 116,245.55 and 47,938.79 is: 66,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,228.52 : 116,245.55 = 47,938.79 : x
  2. Step 2: Convert to fraction form
    84,228.52/116,245.55 = 47,938.79/x
  3. Step 3: Cross multiply
    84,228.52x = 116,245.55 × 47,938.79
  4. Step 4: Simplify right side
    84,228.52x = 5,572,671,420.35
  5. Step 5: Solve for x
    x = 5,572,671,420.35/84,228.52
  6. Step 6: Final answer
    x = 66,161.34

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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.