Home / 75,016.42-103,428.57-48,111.46

Finding the Fourth Proportional to 75,016.42, 103,428.57 and 48,111.46

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Solution

The fourth proportional to 75,016.42, 103,428.57 and 48,111.46 is: 66,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.42 : 103,428.57 = 48,111.46 : x
  2. Step 2: Convert to fraction form
    75,016.42/103,428.57 = 48,111.46/x
  3. Step 3: Cross multiply
    75,016.42x = 103,428.57 × 48,111.46
  4. Step 4: Simplify right side
    75,016.42x = 4,976,099,508.41
  5. Step 5: Solve for x
    x = 4,976,099,508.41/75,016.42
  6. Step 6: Final answer
    x = 66,333.47

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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.