Home / 124,359.61-171,611.26-67,769.77

Finding the Fourth Proportional to 124,359.61, 171,611.26 and 67,769.77

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Solution

The fourth proportional to 124,359.61, 171,611.26 and 67,769.77 is: 93,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,359.61 : 171,611.26 = 67,769.77 : x
  2. Step 2: Convert to fraction form
    124,359.61/171,611.26 = 67,769.77/x
  3. Step 3: Cross multiply
    124,359.61x = 171,611.26 × 67,769.77
  4. Step 4: Simplify right side
    124,359.61x = 11,630,055,619.61
  5. Step 5: Solve for x
    x = 11,630,055,619.61/124,359.61
  6. Step 6: Final answer
    x = 93,519.56

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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.