Home / 75,630.16-113,446.04-31,226.32

Finding the Fourth Proportional to 75,630.16, 113,446.04 and 31,226.32

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Solution

The fourth proportional to 75,630.16, 113,446.04 and 31,226.32 is: 46,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,630.16 : 113,446.04 = 31,226.32 : x
  2. Step 2: Convert to fraction form
    75,630.16/113,446.04 = 31,226.32/x
  3. Step 3: Cross multiply
    75,630.16x = 113,446.04 × 31,226.32
  4. Step 4: Simplify right side
    75,630.16x = 3,542,502,347.77
  5. Step 5: Solve for x
    x = 3,542,502,347.77/75,630.16
  6. Step 6: Final answer
    x = 46,839.81

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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.