Home / 68,616.16-102,924.15-45,072.34

Finding the Fourth Proportional to 68,616.16, 102,924.15 and 45,072.34

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Solution

The fourth proportional to 68,616.16, 102,924.15 and 45,072.34 is: 67,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616.16 : 102,924.15 = 45,072.34 : x
  2. Step 2: Convert to fraction form
    68,616.16/102,924.15 = 45,072.34/x
  3. Step 3: Cross multiply
    68,616.16x = 102,924.15 × 45,072.34
  4. Step 4: Simplify right side
    68,616.16x = 4,639,032,283.01
  5. Step 5: Solve for x
    x = 4,639,032,283.01/68,616.16
  6. Step 6: Final answer
    x = 67,608.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.