Home / 75,477.37-113,229.72-31,079.91

Finding the Fourth Proportional to 75,477.37, 113,229.72 and 31,079.91

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Solution

The fourth proportional to 75,477.37, 113,229.72 and 31,079.91 is: 46,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.37 : 113,229.72 = 31,079.91 : x
  2. Step 2: Convert to fraction form
    75,477.37/113,229.72 = 31,079.91/x
  3. Step 3: Cross multiply
    75,477.37x = 113,229.72 × 31,079.91
  4. Step 4: Simplify right side
    75,477.37x = 3,519,169,506.93
  5. Step 5: Solve for x
    x = 3,519,169,506.93/75,477.37
  6. Step 6: Final answer
    x = 46,625.49

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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.