Home / 84,085.59-125,956.05-67,355.04

Finding the Fourth Proportional to 84,085.59, 125,956.05 and 67,355.04

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Solution

The fourth proportional to 84,085.59, 125,956.05 and 67,355.04 is: 100,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,085.59 : 125,956.05 = 67,355.04 : x
  2. Step 2: Convert to fraction form
    84,085.59/125,956.05 = 67,355.04/x
  3. Step 3: Cross multiply
    84,085.59x = 125,956.05 × 67,355.04
  4. Step 4: Simplify right side
    84,085.59x = 8,483,774,785.99
  5. Step 5: Solve for x
    x = 8,483,774,785.99/84,085.59
  6. Step 6: Final answer
    x = 100,894.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.