Home / 46,161.12-63,680.16-39,776.64

Finding the Fourth Proportional to 46,161.12, 63,680.16 and 39,776.64

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Solution

The fourth proportional to 46,161.12, 63,680.16 and 39,776.64 is: 54,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,161.12 : 63,680.16 = 39,776.64 : x
  2. Step 2: Convert to fraction form
    46,161.12/63,680.16 = 39,776.64/x
  3. Step 3: Cross multiply
    46,161.12x = 63,680.16 × 39,776.64
  4. Step 4: Simplify right side
    46,161.12x = 2,532,982,799.46
  5. Step 5: Solve for x
    x = 2,532,982,799.46/46,161.12
  6. Step 6: Final answer
    x = 54,872.65

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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.