Home / 85,150.32-117,496.35-49,332.66

Finding the Fourth Proportional to 85,150.32, 117,496.35 and 49,332.66

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Solution

The fourth proportional to 85,150.32, 117,496.35 and 49,332.66 is: 68,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,150.32 : 117,496.35 = 49,332.66 : x
  2. Step 2: Convert to fraction form
    85,150.32/117,496.35 = 49,332.66/x
  3. Step 3: Cross multiply
    85,150.32x = 117,496.35 × 49,332.66
  4. Step 4: Simplify right side
    85,150.32x = 5,796,407,485.79
  5. Step 5: Solve for x
    x = 5,796,407,485.79/85,150.32
  6. Step 6: Final answer
    x = 68,072.64

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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.