Home / 75,089.92-103,530-48,184.96

Finding the Fourth Proportional to 75,089.92, 103,530 and 48,184.96

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Solution

The fourth proportional to 75,089.92, 103,530 and 48,184.96 is: 66,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.92 : 103,530 = 48,184.96 : x
  2. Step 2: Convert to fraction form
    75,089.92/103,530 = 48,184.96/x
  3. Step 3: Cross multiply
    75,089.92x = 103,530 × 48,184.96
  4. Step 4: Simplify right side
    75,089.92x = 4,988,588,908.80
  5. Step 5: Solve for x
    x = 4,988,588,908.80/75,089.92
  6. Step 6: Final answer
    x = 66,434.87

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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.