Home / 85,632.36-118,174.98-47,906.28

Finding the Fourth Proportional to 85,632.36, 118,174.98 and 47,906.28

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Solution

The fourth proportional to 85,632.36, 118,174.98 and 47,906.28 is: 66,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,632.36 : 118,174.98 = 47,906.28 : x
  2. Step 2: Convert to fraction form
    85,632.36/118,174.98 = 47,906.28/x
  3. Step 3: Cross multiply
    85,632.36x = 118,174.98 × 47,906.28
  4. Step 4: Simplify right side
    85,632.36x = 5,661,323,680.87
  5. Step 5: Solve for x
    x = 5,661,323,680.87/85,632.36
  6. Step 6: Final answer
    x = 66,111.97

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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.