Home / 77,997.13-117,010.27-31,253.65

Finding the Fourth Proportional to 77,997.13, 117,010.27 and 31,253.65

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Solution

The fourth proportional to 77,997.13, 117,010.27 and 31,253.65 is: 46,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,997.13 : 117,010.27 = 31,253.65 : x
  2. Step 2: Convert to fraction form
    77,997.13/117,010.27 = 31,253.65/x
  3. Step 3: Cross multiply
    77,997.13x = 117,010.27 × 31,253.65
  4. Step 4: Simplify right side
    77,997.13x = 3,656,997,771.53
  5. Step 5: Solve for x
    x = 3,656,997,771.53/77,997.13
  6. Step 6: Final answer
    x = 46,886.31

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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.