Home / 68,222.51-102,369.30-51,577.63

Finding the Fourth Proportional to 68,222.51, 102,369.30 and 51,577.63

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Solution

The fourth proportional to 68,222.51, 102,369.30 and 51,577.63 is: 77,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,222.51 : 102,369.30 = 51,577.63 : x
  2. Step 2: Convert to fraction form
    68,222.51/102,369.30 = 51,577.63/x
  3. Step 3: Cross multiply
    68,222.51x = 102,369.30 × 51,577.63
  4. Step 4: Simplify right side
    68,222.51x = 5,279,965,878.76
  5. Step 5: Solve for x
    x = 5,279,965,878.76/68,222.51
  6. Step 6: Final answer
    x = 77,393.31

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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.