Home / 74,560.28-102,859.75-50,353.38

Finding the Fourth Proportional to 74,560.28, 102,859.75 and 50,353.38

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Solution

The fourth proportional to 74,560.28, 102,859.75 and 50,353.38 is: 69,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,560.28 : 102,859.75 = 50,353.38 : x
  2. Step 2: Convert to fraction form
    74,560.28/102,859.75 = 50,353.38/x
  3. Step 3: Cross multiply
    74,560.28x = 102,859.75 × 50,353.38
  4. Step 4: Simplify right side
    74,560.28x = 5,179,335,826.69
  5. Step 5: Solve for x
    x = 5,179,335,826.69/74,560.28
  6. Step 6: Final answer
    x = 69,465.08

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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.