Home / 64,128.06-88,496.51-35,833.75

Finding the Fourth Proportional to 64,128.06, 88,496.51 and 35,833.75

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Solution

The fourth proportional to 64,128.06, 88,496.51 and 35,833.75 is: 49,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,128.06 : 88,496.51 = 35,833.75 : x
  2. Step 2: Convert to fraction form
    64,128.06/88,496.51 = 35,833.75/x
  3. Step 3: Cross multiply
    64,128.06x = 88,496.51 × 35,833.75
  4. Step 4: Simplify right side
    64,128.06x = 3,171,161,414.80
  5. Step 5: Solve for x
    x = 3,171,161,414.80/64,128.06
  6. Step 6: Final answer
    x = 49,450.45

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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.