Home / 75,538.16-113,291.04-31,153.40

Finding the Fourth Proportional to 75,538.16, 113,291.04 and 31,153.40

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Solution

The fourth proportional to 75,538.16, 113,291.04 and 31,153.40 is: 46,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,538.16 : 113,291.04 = 31,153.40 : x
  2. Step 2: Convert to fraction form
    75,538.16/113,291.04 = 31,153.40/x
  3. Step 3: Cross multiply
    75,538.16x = 113,291.04 × 31,153.40
  4. Step 4: Simplify right side
    75,538.16x = 3,529,401,085.54
  5. Step 5: Solve for x
    x = 3,529,401,085.54/75,538.16
  6. Step 6: Final answer
    x = 46,723.42

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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.