Home / 122,597.79-169,180.24-68,885.07

Finding the Fourth Proportional to 122,597.79, 169,180.24 and 68,885.07

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Solution

The fourth proportional to 122,597.79, 169,180.24 and 68,885.07 is: 95,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,597.79 : 169,180.24 = 68,885.07 : x
  2. Step 2: Convert to fraction form
    122,597.79/169,180.24 = 68,885.07/x
  3. Step 3: Cross multiply
    122,597.79x = 169,180.24 × 68,885.07
  4. Step 4: Simplify right side
    122,597.79x = 11,653,992,675.02
  5. Step 5: Solve for x
    x = 11,653,992,675.02/122,597.79
  6. Step 6: Final answer
    x = 95,058.75

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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.