Home / 90,968.67-125,436.47-62,293.05

Finding the Fourth Proportional to 90,968.67, 125,436.47 and 62,293.05

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Solution

The fourth proportional to 90,968.67, 125,436.47 and 62,293.05 is: 85,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,968.67 : 125,436.47 = 62,293.05 : x
  2. Step 2: Convert to fraction form
    90,968.67/125,436.47 = 62,293.05/x
  3. Step 3: Cross multiply
    90,968.67x = 125,436.47 × 62,293.05
  4. Step 4: Simplify right side
    90,968.67x = 7,813,819,986.07
  5. Step 5: Solve for x
    x = 7,813,819,986.07/90,968.67
  6. Step 6: Final answer
    x = 85,895.73

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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.