Home / 85,352.16-117,791.10-47,628.84

Finding the Fourth Proportional to 85,352.16, 117,791.10 and 47,628.84

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Solution

The fourth proportional to 85,352.16, 117,791.10 and 47,628.84 is: 65,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,352.16 : 117,791.10 = 47,628.84 : x
  2. Step 2: Convert to fraction form
    85,352.16/117,791.10 = 47,628.84/x
  3. Step 3: Cross multiply
    85,352.16x = 117,791.10 × 47,628.84
  4. Step 4: Simplify right side
    85,352.16x = 5,610,253,455.32
  5. Step 5: Solve for x
    x = 5,610,253,455.32/85,352.16
  6. Step 6: Final answer
    x = 65,730.66

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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.