Home / 77,623.76-107,121.14-45,360.24

Finding the Fourth Proportional to 77,623.76, 107,121.14 and 45,360.24

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Solution

The fourth proportional to 77,623.76, 107,121.14 and 45,360.24 is: 62,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,623.76 : 107,121.14 = 45,360.24 : x
  2. Step 2: Convert to fraction form
    77,623.76/107,121.14 = 45,360.24/x
  3. Step 3: Cross multiply
    77,623.76x = 107,121.14 × 45,360.24
  4. Step 4: Simplify right side
    77,623.76x = 4,859,040,619.47
  5. Step 5: Solve for x
    x = 4,859,040,619.47/77,623.76
  6. Step 6: Final answer
    x = 62,597.34

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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.