Home / 75,082.10-103,613.31-46,787.90

Finding the Fourth Proportional to 75,082.10, 103,613.31 and 46,787.90

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Solution

The fourth proportional to 75,082.10, 103,613.31 and 46,787.90 is: 64,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.10 : 103,613.31 = 46,787.90 : x
  2. Step 2: Convert to fraction form
    75,082.10/103,613.31 = 46,787.90/x
  3. Step 3: Cross multiply
    75,082.10x = 103,613.31 × 46,787.90
  4. Step 4: Simplify right side
    75,082.10x = 4,847,849,186.95
  5. Step 5: Solve for x
    x = 4,847,849,186.95/75,082.10
  6. Step 6: Final answer
    x = 64,567.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.