Home / 76,767.51-115,063.91-46,715.47

Finding the Fourth Proportional to 76,767.51, 115,063.91 and 46,715.47

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Solution

The fourth proportional to 76,767.51, 115,063.91 and 46,715.47 is: 70,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767.51 : 115,063.91 = 46,715.47 : x
  2. Step 2: Convert to fraction form
    76,767.51/115,063.91 = 46,715.47/x
  3. Step 3: Cross multiply
    76,767.51x = 115,063.91 × 46,715.47
  4. Step 4: Simplify right side
    76,767.51x = 5,375,264,464.82
  5. Step 5: Solve for x
    x = 5,375,264,464.82/76,767.51
  6. Step 6: Final answer
    x = 70,020.04

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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.