Home / 75,870.23-113,741.09-31,469.27

Finding the Fourth Proportional to 75,870.23, 113,741.09 and 31,469.27

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Solution

The fourth proportional to 75,870.23, 113,741.09 and 31,469.27 is: 47,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,870.23 : 113,741.09 = 31,469.27 : x
  2. Step 2: Convert to fraction form
    75,870.23/113,741.09 = 31,469.27/x
  3. Step 3: Cross multiply
    75,870.23x = 113,741.09 × 31,469.27
  4. Step 4: Simplify right side
    75,870.23x = 3,579,348,913.96
  5. Step 5: Solve for x
    x = 3,579,348,913.96/75,870.23
  6. Step 6: Final answer
    x = 47,177.25

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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.