Home / 75,002.76-103,492.49-48,148.83

Finding the Fourth Proportional to 75,002.76, 103,492.49 and 48,148.83

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Solution

The fourth proportional to 75,002.76, 103,492.49 and 48,148.83 is: 66,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.76 : 103,492.49 = 48,148.83 : x
  2. Step 2: Convert to fraction form
    75,002.76/103,492.49 = 48,148.83/x
  3. Step 3: Cross multiply
    75,002.76x = 103,492.49 × 48,148.83
  4. Step 4: Simplify right side
    75,002.76x = 4,983,042,066.54
  5. Step 5: Solve for x
    x = 4,983,042,066.54/75,002.76
  6. Step 6: Final answer
    x = 66,438.12

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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.