Home / 122,537.53-169,100.49-68,818.69

Finding the Fourth Proportional to 122,537.53, 169,100.49 and 68,818.69

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Solution

The fourth proportional to 122,537.53, 169,100.49 and 68,818.69 is: 94,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,537.53 : 169,100.49 = 68,818.69 : x
  2. Step 2: Convert to fraction form
    122,537.53/169,100.49 = 68,818.69/x
  3. Step 3: Cross multiply
    122,537.53x = 169,100.49 × 68,818.69
  4. Step 4: Simplify right side
    122,537.53x = 11,637,274,200.16
  5. Step 5: Solve for x
    x = 11,637,274,200.16/122,537.53
  6. Step 6: Final answer
    x = 94,969.06

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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.