Home / 69,969.02-96,559.85-39,759.46

Finding the Fourth Proportional to 69,969.02, 96,559.85 and 39,759.46

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Solution

The fourth proportional to 69,969.02, 96,559.85 and 39,759.46 is: 54,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,969.02 : 96,559.85 = 39,759.46 : x
  2. Step 2: Convert to fraction form
    69,969.02/96,559.85 = 39,759.46/x
  3. Step 3: Cross multiply
    69,969.02x = 96,559.85 × 39,759.46
  4. Step 4: Simplify right side
    69,969.02x = 3,839,167,128.03
  5. Step 5: Solve for x
    x = 3,839,167,128.03/69,969.02
  6. Step 6: Final answer
    x = 54,869.53

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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.