Home / 66,381.88-91,577.02-43,714.84

Finding the Fourth Proportional to 66,381.88, 91,577.02 and 43,714.84

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Solution

The fourth proportional to 66,381.88, 91,577.02 and 43,714.84 is: 60,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,381.88 : 91,577.02 = 43,714.84 : x
  2. Step 2: Convert to fraction form
    66,381.88/91,577.02 = 43,714.84/x
  3. Step 3: Cross multiply
    66,381.88x = 91,577.02 × 43,714.84
  4. Step 4: Simplify right side
    66,381.88x = 4,003,274,776.98
  5. Step 5: Solve for x
    x = 4,003,274,776.98/66,381.88
  6. Step 6: Final answer
    x = 60,306.74

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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.