Home / 84,122.16-116,101.17-53,941.56

Finding the Fourth Proportional to 84,122.16, 116,101.17 and 53,941.56

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Solution

The fourth proportional to 84,122.16, 116,101.17 and 53,941.56 is: 74,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,122.16 : 116,101.17 = 53,941.56 : x
  2. Step 2: Convert to fraction form
    84,122.16/116,101.17 = 53,941.56/x
  3. Step 3: Cross multiply
    84,122.16x = 116,101.17 × 53,941.56
  4. Step 4: Simplify right side
    84,122.16x = 6,262,678,227.63
  5. Step 5: Solve for x
    x = 6,262,678,227.63/84,122.16
  6. Step 6: Final answer
    x = 74,447.43

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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.