Home / 68,222.01-102,368.55-51,577.11

Finding the Fourth Proportional to 68,222.01, 102,368.55 and 51,577.11

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Solution

The fourth proportional to 68,222.01, 102,368.55 and 51,577.11 is: 77,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,222.01 : 102,368.55 = 51,577.11 : x
  2. Step 2: Convert to fraction form
    68,222.01/102,368.55 = 51,577.11/x
  3. Step 3: Cross multiply
    68,222.01x = 102,368.55 × 51,577.11
  4. Step 4: Simplify right side
    68,222.01x = 5,279,873,963.89
  5. Step 5: Solve for x
    x = 5,279,873,963.89/68,222.01
  6. Step 6: Final answer
    x = 77,392.53

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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.