Home / 85,134.33-117,525.18-49,317.35

Finding the Fourth Proportional to 85,134.33, 117,525.18 and 49,317.35

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Solution

The fourth proportional to 85,134.33, 117,525.18 and 49,317.35 is: 68,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,134.33 : 117,525.18 = 49,317.35 : x
  2. Step 2: Convert to fraction form
    85,134.33/117,525.18 = 49,317.35/x
  3. Step 3: Cross multiply
    85,134.33x = 117,525.18 × 49,317.35
  4. Step 4: Simplify right side
    85,134.33x = 5,796,029,848.25
  5. Step 5: Solve for x
    x = 5,796,029,848.25/85,134.33
  6. Step 6: Final answer
    x = 68,080.99

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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.