Home / 75,016.46-103,474.95-57,072.26

Finding the Fourth Proportional to 75,016.46, 103,474.95 and 57,072.26

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Solution

The fourth proportional to 75,016.46, 103,474.95 and 57,072.26 is: 78,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.46 : 103,474.95 = 57,072.26 : x
  2. Step 2: Convert to fraction form
    75,016.46/103,474.95 = 57,072.26/x
  3. Step 3: Cross multiply
    75,016.46x = 103,474.95 × 57,072.26
  4. Step 4: Simplify right side
    75,016.46x = 5,905,549,249.89
  5. Step 5: Solve for x
    x = 5,905,549,249.89/75,016.46
  6. Step 6: Final answer
    x = 78,723.38

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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.