Home / 81,202.03-112,059.25-45,393.55

Finding the Fourth Proportional to 81,202.03, 112,059.25 and 45,393.55

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Solution

The fourth proportional to 81,202.03, 112,059.25 and 45,393.55 is: 62,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,202.03 : 112,059.25 = 45,393.55 : x
  2. Step 2: Convert to fraction form
    81,202.03/112,059.25 = 45,393.55/x
  3. Step 3: Cross multiply
    81,202.03x = 112,059.25 × 45,393.55
  4. Step 4: Simplify right side
    81,202.03x = 5,086,766,774.21
  5. Step 5: Solve for x
    x = 5,086,766,774.21/81,202.03
  6. Step 6: Final answer
    x = 62,643.35

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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.