Home / 84,243.68-116,274.48-57,450.14

Finding the Fourth Proportional to 84,243.68, 116,274.48 and 57,450.14

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Solution

The fourth proportional to 84,243.68, 116,274.48 and 57,450.14 is: 79,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,243.68 : 116,274.48 = 57,450.14 : x
  2. Step 2: Convert to fraction form
    84,243.68/116,274.48 = 57,450.14/x
  3. Step 3: Cross multiply
    84,243.68x = 116,274.48 × 57,450.14
  4. Step 4: Simplify right side
    84,243.68x = 6,679,985,154.43
  5. Step 5: Solve for x
    x = 6,679,985,154.43/84,243.68
  6. Step 6: Final answer
    x = 79,293.61

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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.