Home / 77,846.08-107,463.36-50,989.72

Finding the Fourth Proportional to 77,846.08, 107,463.36 and 50,989.72

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Solution

The fourth proportional to 77,846.08, 107,463.36 and 50,989.72 is: 70,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,846.08 : 107,463.36 = 50,989.72 : x
  2. Step 2: Convert to fraction form
    77,846.08/107,463.36 = 50,989.72/x
  3. Step 3: Cross multiply
    77,846.08x = 107,463.36 × 50,989.72
  4. Step 4: Simplify right side
    77,846.08x = 5,479,526,636.66
  5. Step 5: Solve for x
    x = 5,479,526,636.66/77,846.08
  6. Step 6: Final answer
    x = 70,389.24

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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.