Home / 75,700.56-104,554.32-51,785.28

Finding the Fourth Proportional to 75,700.56, 104,554.32 and 51,785.28

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Solution

The fourth proportional to 75,700.56, 104,554.32 and 51,785.28 is: 71,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,700.56 : 104,554.32 = 51,785.28 : x
  2. Step 2: Convert to fraction form
    75,700.56/104,554.32 = 51,785.28/x
  3. Step 3: Cross multiply
    75,700.56x = 104,554.32 × 51,785.28
  4. Step 4: Simplify right side
    75,700.56x = 5,414,374,736.41
  5. Step 5: Solve for x
    x = 5,414,374,736.41/75,700.56
  6. Step 6: Final answer
    x = 71,523.58

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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.