Home / 124,206.62-171,405.78-67,618.40

Finding the Fourth Proportional to 124,206.62, 171,405.78 and 67,618.40

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Solution

The fourth proportional to 124,206.62, 171,405.78 and 67,618.40 is: 93,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.62 : 171,405.78 = 67,618.40 : x
  2. Step 2: Convert to fraction form
    124,206.62/171,405.78 = 67,618.40/x
  3. Step 3: Cross multiply
    124,206.62x = 171,405.78 × 67,618.40
  4. Step 4: Simplify right side
    124,206.62x = 11,590,184,633.66
  5. Step 5: Solve for x
    x = 11,590,184,633.66/124,206.62
  6. Step 6: Final answer
    x = 93,313.74

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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.