Home / 77,907.17-116,768.49-35,751.72

Finding the Fourth Proportional to 77,907.17, 116,768.49 and 35,751.72

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Solution

The fourth proportional to 77,907.17, 116,768.49 and 35,751.72 is: 53,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,907.17 : 116,768.49 = 35,751.72 : x
  2. Step 2: Convert to fraction form
    77,907.17/116,768.49 = 35,751.72/x
  3. Step 3: Cross multiply
    77,907.17x = 116,768.49 × 35,751.72
  4. Step 4: Simplify right side
    77,907.17x = 4,174,673,842.09
  5. Step 5: Solve for x
    x = 4,174,673,842.09/77,907.17
  6. Step 6: Final answer
    x = 53,585.23

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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.