Home / 123,947.35-171,043.64-67,358.83

Finding the Fourth Proportional to 123,947.35, 171,043.64 and 67,358.83

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Solution

The fourth proportional to 123,947.35, 171,043.64 and 67,358.83 is: 92,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,947.35 : 171,043.64 = 67,358.83 : x
  2. Step 2: Convert to fraction form
    123,947.35/171,043.64 = 67,358.83/x
  3. Step 3: Cross multiply
    123,947.35x = 171,043.64 × 67,358.83
  4. Step 4: Simplify right side
    123,947.35x = 11,521,299,132.55
  5. Step 5: Solve for x
    x = 11,521,299,132.55/123,947.35
  6. Step 6: Final answer
    x = 92,953.17

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1.5x scale

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.