Home / 75,689.13-113,586.48-31,316.25

Finding the Fourth Proportional to 75,689.13, 113,586.48 and 31,316.25

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Solution

The fourth proportional to 75,689.13, 113,586.48 and 31,316.25 is: 46,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,689.13 : 113,586.48 = 31,316.25 : x
  2. Step 2: Convert to fraction form
    75,689.13/113,586.48 = 31,316.25/x
  3. Step 3: Cross multiply
    75,689.13x = 113,586.48 × 31,316.25
  4. Step 4: Simplify right side
    75,689.13x = 3,557,102,604.30
  5. Step 5: Solve for x
    x = 3,557,102,604.30/75,689.13
  6. Step 6: Final answer
    x = 46,996.21

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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.