Home / 117,800.87-162,567.14-64,085.92

Finding the Fourth Proportional to 117,800.87, 162,567.14 and 64,085.92

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Solution

The fourth proportional to 117,800.87, 162,567.14 and 64,085.92 is: 88,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,800.87 : 162,567.14 = 64,085.92 : x
  2. Step 2: Convert to fraction form
    117,800.87/162,567.14 = 64,085.92/x
  3. Step 3: Cross multiply
    117,800.87x = 162,567.14 × 64,085.92
  4. Step 4: Simplify right side
    117,800.87x = 10,418,264,001.82
  5. Step 5: Solve for x
    x = 10,418,264,001.82/117,800.87
  6. Step 6: Final answer
    x = 88,439.62

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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.