Home / 75,222.37-103,818.30-48,010.21

Finding the Fourth Proportional to 75,222.37, 103,818.30 and 48,010.21

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Solution

The fourth proportional to 75,222.37, 103,818.30 and 48,010.21 is: 66,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222.37 : 103,818.30 = 48,010.21 : x
  2. Step 2: Convert to fraction form
    75,222.37/103,818.30 = 48,010.21/x
  3. Step 3: Cross multiply
    75,222.37x = 103,818.30 × 48,010.21
  4. Step 4: Simplify right side
    75,222.37x = 4,984,337,865.75
  5. Step 5: Solve for x
    x = 4,984,337,865.75/75,222.37
  6. Step 6: Final answer
    x = 66,261.38

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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.