Home / 66,165.34-91,320.48-37,871.03

Finding the Fourth Proportional to 66,165.34, 91,320.48 and 37,871.03

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Solution

The fourth proportional to 66,165.34, 91,320.48 and 37,871.03 is: 52,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,165.34 : 91,320.48 = 37,871.03 : x
  2. Step 2: Convert to fraction form
    66,165.34/91,320.48 = 37,871.03/x
  3. Step 3: Cross multiply
    66,165.34x = 91,320.48 × 37,871.03
  4. Step 4: Simplify right side
    66,165.34x = 3,458,400,637.69
  5. Step 5: Solve for x
    x = 3,458,400,637.69/66,165.34
  6. Step 6: Final answer
    x = 52,269.07

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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.