Home / 75,017.42-103,429.94-48,112.46

Finding the Fourth Proportional to 75,017.42, 103,429.94 and 48,112.46

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Solution

The fourth proportional to 75,017.42, 103,429.94 and 48,112.46 is: 66,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.42 : 103,429.94 = 48,112.46 : x
  2. Step 2: Convert to fraction form
    75,017.42/103,429.94 = 48,112.46/x
  3. Step 3: Cross multiply
    75,017.42x = 103,429.94 × 48,112.46
  4. Step 4: Simplify right side
    75,017.42x = 4,976,268,851.05
  5. Step 5: Solve for x
    x = 4,976,268,851.05/75,017.42
  6. Step 6: Final answer
    x = 66,334.84

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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.