Home / 85,335.25-117,758.34-47,602.21

Finding the Fourth Proportional to 85,335.25, 117,758.34 and 47,602.21

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Solution

The fourth proportional to 85,335.25, 117,758.34 and 47,602.21 is: 65,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,335.25 : 117,758.34 = 47,602.21 : x
  2. Step 2: Convert to fraction form
    85,335.25/117,758.34 = 47,602.21/x
  3. Step 3: Cross multiply
    85,335.25x = 117,758.34 × 47,602.21
  4. Step 4: Simplify right side
    85,335.25x = 5,605,557,229.93
  5. Step 5: Solve for x
    x = 5,605,557,229.93/85,335.25
  6. Step 6: Final answer
    x = 65,688.65

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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.