Home / 119,977.62-165,569.14-69,679.86

Finding the Fourth Proportional to 119,977.62, 165,569.14 and 69,679.86

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Solution

The fourth proportional to 119,977.62, 165,569.14 and 69,679.86 is: 96,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.62 : 165,569.14 = 69,679.86 : x
  2. Step 2: Convert to fraction form
    119,977.62/165,569.14 = 69,679.86/x
  3. Step 3: Cross multiply
    119,977.62x = 165,569.14 × 69,679.86
  4. Step 4: Simplify right side
    119,977.62x = 11,536,834,495.52
  5. Step 5: Solve for x
    x = 11,536,834,495.52/119,977.62
  6. Step 6: Final answer
    x = 96,158.22

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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.