Home / 84,938.20-117,221.28-50,948.02

Finding the Fourth Proportional to 84,938.20, 117,221.28 and 50,948.02

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Solution

The fourth proportional to 84,938.20, 117,221.28 and 50,948.02 is: 70,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,938.20 : 117,221.28 = 50,948.02 : x
  2. Step 2: Convert to fraction form
    84,938.20/117,221.28 = 50,948.02/x
  3. Step 3: Cross multiply
    84,938.20x = 117,221.28 × 50,948.02
  4. Step 4: Simplify right side
    84,938.20x = 5,972,192,117.87
  5. Step 5: Solve for x
    x = 5,972,192,117.87/84,938.20
  6. Step 6: Final answer
    x = 70,312.20

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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.