Home / 75,873.47-113,860.98-31,500.23

Finding the Fourth Proportional to 75,873.47, 113,860.98 and 31,500.23

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Solution

The fourth proportional to 75,873.47, 113,860.98 and 31,500.23 is: 47,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,873.47 : 113,860.98 = 31,500.23 : x
  2. Step 2: Convert to fraction form
    75,873.47/113,860.98 = 31,500.23/x
  3. Step 3: Cross multiply
    75,873.47x = 113,860.98 × 31,500.23
  4. Step 4: Simplify right side
    75,873.47x = 3,586,646,488.72
  5. Step 5: Solve for x
    x = 3,586,646,488.72/75,873.47
  6. Step 6: Final answer
    x = 47,271.42

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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.