Home / 124,221.78-171,426.45-67,633.50

Finding the Fourth Proportional to 124,221.78, 171,426.45 and 67,633.50

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Solution

The fourth proportional to 124,221.78, 171,426.45 and 67,633.50 is: 93,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.78 : 171,426.45 = 67,633.50 : x
  2. Step 2: Convert to fraction form
    124,221.78/171,426.45 = 67,633.50/x
  3. Step 3: Cross multiply
    124,221.78x = 171,426.45 × 67,633.50
  4. Step 4: Simplify right side
    124,221.78x = 11,594,170,806.08
  5. Step 5: Solve for x
    x = 11,594,170,806.08/124,221.78
  6. Step 6: Final answer
    x = 93,334.44

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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.