Home / 84,218.18-116,191.17-54,019.76

Finding the Fourth Proportional to 84,218.18, 116,191.17 and 54,019.76

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Solution

The fourth proportional to 84,218.18, 116,191.17 and 54,019.76 is: 74,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218.18 : 116,191.17 = 54,019.76 : x
  2. Step 2: Convert to fraction form
    84,218.18/116,191.17 = 54,019.76/x
  3. Step 3: Cross multiply
    84,218.18x = 116,191.17 × 54,019.76
  4. Step 4: Simplify right side
    84,218.18x = 6,276,618,536.56
  5. Step 5: Solve for x
    x = 6,276,618,536.56/84,218.18
  6. Step 6: Final answer
    x = 74,528.08

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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.