Home / 75,058.50-112,559.52-30,661.53

Finding the Fourth Proportional to 75,058.50, 112,559.52 and 30,661.53

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Solution

The fourth proportional to 75,058.50, 112,559.52 and 30,661.53 is: 45,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,058.50 : 112,559.52 = 30,661.53 : x
  2. Step 2: Convert to fraction form
    75,058.50/112,559.52 = 30,661.53/x
  3. Step 3: Cross multiply
    75,058.50x = 112,559.52 × 30,661.53
  4. Step 4: Simplify right side
    75,058.50x = 3,451,247,099.27
  5. Step 5: Solve for x
    x = 3,451,247,099.27/75,058.50
  6. Step 6: Final answer
    x = 45,980.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.