Home / 75,066.31-103,628.98-43,229.06

Finding the Fourth Proportional to 75,066.31, 103,628.98 and 43,229.06

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Solution

The fourth proportional to 75,066.31, 103,628.98 and 43,229.06 is: 59,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066.31 : 103,628.98 = 43,229.06 : x
  2. Step 2: Convert to fraction form
    75,066.31/103,628.98 = 43,229.06/x
  3. Step 3: Cross multiply
    75,066.31x = 103,628.98 × 43,229.06
  4. Step 4: Simplify right side
    75,066.31x = 4,479,783,394.16
  5. Step 5: Solve for x
    x = 4,479,783,394.16/75,066.31
  6. Step 6: Final answer
    x = 59,677.68

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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.