Home / 77,747.31-107,273.16-45,920.93

Finding the Fourth Proportional to 77,747.31, 107,273.16 and 45,920.93

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Solution

The fourth proportional to 77,747.31, 107,273.16 and 45,920.93 is: 63,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.31 : 107,273.16 = 45,920.93 : x
  2. Step 2: Convert to fraction form
    77,747.31/107,273.16 = 45,920.93/x
  3. Step 3: Cross multiply
    77,747.31x = 107,273.16 × 45,920.93
  4. Step 4: Simplify right side
    77,747.31x = 4,926,082,734.87
  5. Step 5: Solve for x
    x = 4,926,082,734.87/77,747.31
  6. Step 6: Final answer
    x = 63,360.17

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1.5x scale

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.