Home / 66,420.02-91,661.97-37,739.27

Finding the Fourth Proportional to 66,420.02, 91,661.97 and 37,739.27

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Solution

The fourth proportional to 66,420.02, 91,661.97 and 37,739.27 is: 52,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,420.02 : 91,661.97 = 37,739.27 : x
  2. Step 2: Convert to fraction form
    66,420.02/91,661.97 = 37,739.27/x
  3. Step 3: Cross multiply
    66,420.02x = 91,661.97 × 37,739.27
  4. Step 4: Simplify right side
    66,420.02x = 3,459,255,834.56
  5. Step 5: Solve for x
    x = 3,459,255,834.56/66,420.02
  6. Step 6: Final answer
    x = 52,081.52

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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.