Home / 68,818.60-102,677.09-61,334.20

Finding the Fourth Proportional to 68,818.60, 102,677.09 and 61,334.20

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Solution

The fourth proportional to 68,818.60, 102,677.09 and 61,334.20 is: 91,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,818.60 : 102,677.09 = 61,334.20 : x
  2. Step 2: Convert to fraction form
    68,818.60/102,677.09 = 61,334.20/x
  3. Step 3: Cross multiply
    68,818.60x = 102,677.09 × 61,334.20
  4. Step 4: Simplify right side
    68,818.60x = 6,297,617,173.48
  5. Step 5: Solve for x
    x = 6,297,617,173.48/68,818.60
  6. Step 6: Final answer
    x = 91,510.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.