Home / 84,069.34-116,023.85-62,811.70

Finding the Fourth Proportional to 84,069.34, 116,023.85 and 62,811.70

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Solution

The fourth proportional to 84,069.34, 116,023.85 and 62,811.70 is: 86,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,069.34 : 116,023.85 = 62,811.70 : x
  2. Step 2: Convert to fraction form
    84,069.34/116,023.85 = 62,811.70/x
  3. Step 3: Cross multiply
    84,069.34x = 116,023.85 × 62,811.70
  4. Step 4: Simplify right side
    84,069.34x = 7,287,654,944.99
  5. Step 5: Solve for x
    x = 7,287,654,944.99/84,069.34
  6. Step 6: Final answer
    x = 86,686.24

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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.