Home / 104,316.52-143,956.83-56,569.85

Finding the Fourth Proportional to 104,316.52, 143,956.83 and 56,569.85

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Solution

The fourth proportional to 104,316.52, 143,956.83 and 56,569.85 is: 78,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.52 : 143,956.83 = 56,569.85 : x
  2. Step 2: Convert to fraction form
    104,316.52/143,956.83 = 56,569.85/x
  3. Step 3: Cross multiply
    104,316.52x = 143,956.83 × 56,569.85
  4. Step 4: Simplify right side
    104,316.52x = 8,143,616,279.58
  5. Step 5: Solve for x
    x = 8,143,616,279.58/104,316.52
  6. Step 6: Final answer
    x = 78,066.41

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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.