Home / 66,675.24-91,968.48-42,764.04

Finding the Fourth Proportional to 66,675.24, 91,968.48 and 42,764.04

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Solution

The fourth proportional to 66,675.24, 91,968.48 and 42,764.04 is: 58,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,675.24 : 91,968.48 = 42,764.04 : x
  2. Step 2: Convert to fraction form
    66,675.24/91,968.48 = 42,764.04/x
  3. Step 3: Cross multiply
    66,675.24x = 91,968.48 × 42,764.04
  4. Step 4: Simplify right side
    66,675.24x = 3,932,943,757.46
  5. Step 5: Solve for x
    x = 3,932,943,757.46/66,675.24
  6. Step 6: Final answer
    x = 58,986.57

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1.5x scale

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.