Home / 75,222.40-103,803.28-43,401.56

Finding the Fourth Proportional to 75,222.40, 103,803.28 and 43,401.56

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Solution

The fourth proportional to 75,222.40, 103,803.28 and 43,401.56 is: 59,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222.40 : 103,803.28 = 43,401.56 : x
  2. Step 2: Convert to fraction form
    75,222.40/103,803.28 = 43,401.56/x
  3. Step 3: Cross multiply
    75,222.40x = 103,803.28 × 43,401.56
  4. Step 4: Simplify right side
    75,222.40x = 4,505,224,285.12
  5. Step 5: Solve for x
    x = 4,505,224,285.12/75,222.40
  6. Step 6: Final answer
    x = 59,892.06

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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.