Home / 85,352.08-117,786-47,625.52

Finding the Fourth Proportional to 85,352.08, 117,786 and 47,625.52

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Solution

The fourth proportional to 85,352.08, 117,786 and 47,625.52 is: 65,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,352.08 : 117,786 = 47,625.52 : x
  2. Step 2: Convert to fraction form
    85,352.08/117,786 = 47,625.52/x
  3. Step 3: Cross multiply
    85,352.08x = 117,786 × 47,625.52
  4. Step 4: Simplify right side
    85,352.08x = 5,609,619,498.72
  5. Step 5: Solve for x
    x = 5,609,619,498.72/85,352.08
  6. Step 6: Final answer
    x = 65,723.29

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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.