Home / 85,069.30-117,394.48-47,343.55

Finding the Fourth Proportional to 85,069.30, 117,394.48 and 47,343.55

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Solution

The fourth proportional to 85,069.30, 117,394.48 and 47,343.55 is: 65,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,069.30 : 117,394.48 = 47,343.55 : x
  2. Step 2: Convert to fraction form
    85,069.30/117,394.48 = 47,343.55/x
  3. Step 3: Cross multiply
    85,069.30x = 117,394.48 × 47,343.55
  4. Step 4: Simplify right side
    85,069.30x = 5,557,871,433.60
  5. Step 5: Solve for x
    x = 5,557,871,433.60/85,069.30
  6. Step 6: Final answer
    x = 65,333.46

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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.