Home / 85,365.48-117,801.27-47,124.20

Finding the Fourth Proportional to 85,365.48, 117,801.27 and 47,124.20

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Solution

The fourth proportional to 85,365.48, 117,801.27 and 47,124.20 is: 65,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,365.48 : 117,801.27 = 47,124.20 : x
  2. Step 2: Convert to fraction form
    85,365.48/117,801.27 = 47,124.20/x
  3. Step 3: Cross multiply
    85,365.48x = 117,801.27 × 47,124.20
  4. Step 4: Simplify right side
    85,365.48x = 5,551,290,813.88
  5. Step 5: Solve for x
    x = 5,551,290,813.88/85,365.48
  6. Step 6: Final answer
    x = 65,029.69

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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.