Home / 75,461.31-113,121.59-25,506.65

Finding the Fourth Proportional to 75,461.31, 113,121.59 and 25,506.65

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Solution

The fourth proportional to 75,461.31, 113,121.59 and 25,506.65 is: 38,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.31 : 113,121.59 = 25,506.65 : x
  2. Step 2: Convert to fraction form
    75,461.31/113,121.59 = 25,506.65/x
  3. Step 3: Cross multiply
    75,461.31x = 113,121.59 × 25,506.65
  4. Step 4: Simplify right side
    75,461.31x = 2,885,352,803.57
  5. Step 5: Solve for x
    x = 2,885,352,803.57/75,461.31
  6. Step 6: Final answer
    x = 38,236.19

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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.