Home / 124,168.77-171,333.85-69,723.76

Finding the Fourth Proportional to 124,168.77, 171,333.85 and 69,723.76

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Solution

The fourth proportional to 124,168.77, 171,333.85 and 69,723.76 is: 96,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,168.77 : 171,333.85 = 69,723.76 : x
  2. Step 2: Convert to fraction form
    124,168.77/171,333.85 = 69,723.76/x
  3. Step 3: Cross multiply
    124,168.77x = 171,333.85 × 69,723.76
  4. Step 4: Simplify right side
    124,168.77x = 11,946,039,634.63
  5. Step 5: Solve for x
    x = 11,946,039,634.63/124,168.77
  6. Step 6: Final answer
    x = 96,208.09

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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.