Home / 85,168.06-117,530.40-47,441.50

Finding the Fourth Proportional to 85,168.06, 117,530.40 and 47,441.50

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Solution

The fourth proportional to 85,168.06, 117,530.40 and 47,441.50 is: 65,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,168.06 : 117,530.40 = 47,441.50 : x
  2. Step 2: Convert to fraction form
    85,168.06/117,530.40 = 47,441.50/x
  3. Step 3: Cross multiply
    85,168.06x = 117,530.40 × 47,441.50
  4. Step 4: Simplify right side
    85,168.06x = 5,575,818,471.60
  5. Step 5: Solve for x
    x = 5,575,818,471.60/85,168.06
  6. Step 6: Final answer
    x = 65,468.42

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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.