Home / 104,736.08-156,891-83,711.36

Finding the Fourth Proportional to 104,736.08, 156,891 and 83,711.36

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Solution

The fourth proportional to 104,736.08, 156,891 and 83,711.36 is: 125,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,736.08 : 156,891 = 83,711.36 : x
  2. Step 2: Convert to fraction form
    104,736.08/156,891 = 83,711.36/x
  3. Step 3: Cross multiply
    104,736.08x = 156,891 × 83,711.36
  4. Step 4: Simplify right side
    104,736.08x = 13,133,558,981.76
  5. Step 5: Solve for x
    x = 13,133,558,981.76/104,736.08
  6. Step 6: Final answer
    x = 125,396.70

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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.