Home / 66,060.21-91,238.81-43,500.06

Finding the Fourth Proportional to 66,060.21, 91,238.81 and 43,500.06

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Solution

The fourth proportional to 66,060.21, 91,238.81 and 43,500.06 is: 60,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060.21 : 91,238.81 = 43,500.06 : x
  2. Step 2: Convert to fraction form
    66,060.21/91,238.81 = 43,500.06/x
  3. Step 3: Cross multiply
    66,060.21x = 91,238.81 × 43,500.06
  4. Step 4: Simplify right side
    66,060.21x = 3,968,893,491.83
  5. Step 5: Solve for x
    x = 3,968,893,491.83/66,060.21
  6. Step 6: Final answer
    x = 60,079.94

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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.