Home / 66,434.22-91,717.35-43,764.87

Finding the Fourth Proportional to 66,434.22, 91,717.35 and 43,764.87

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Solution

The fourth proportional to 66,434.22, 91,717.35 and 43,764.87 is: 60,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.22 : 91,717.35 = 43,764.87 : x
  2. Step 2: Convert to fraction form
    66,434.22/91,717.35 = 43,764.87/x
  3. Step 3: Cross multiply
    66,434.22x = 91,717.35 × 43,764.87
  4. Step 4: Simplify right side
    66,434.22x = 4,013,997,899.49
  5. Step 5: Solve for x
    x = 4,013,997,899.49/66,434.22
  6. Step 6: Final answer
    x = 60,420.64

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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.