Home / 75,007.42-103,416.15-48,102.46

Finding the Fourth Proportional to 75,007.42, 103,416.15 and 48,102.46

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Solution

The fourth proportional to 75,007.42, 103,416.15 and 48,102.46 is: 66,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,007.42 : 103,416.15 = 48,102.46 : x
  2. Step 2: Convert to fraction form
    75,007.42/103,416.15 = 48,102.46/x
  3. Step 3: Cross multiply
    75,007.42x = 103,416.15 × 48,102.46
  4. Step 4: Simplify right side
    75,007.42x = 4,974,571,218.73
  5. Step 5: Solve for x
    x = 4,974,571,218.73/75,007.42
  6. Step 6: Final answer
    x = 66,321.05

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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.