Home / 56,105.24-77,424.84-31,906.20

Finding the Fourth Proportional to 56,105.24, 77,424.84 and 31,906.20

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Solution

The fourth proportional to 56,105.24, 77,424.84 and 31,906.20 is: 44,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,105.24 : 77,424.84 = 31,906.20 : x
  2. Step 2: Convert to fraction form
    56,105.24/77,424.84 = 31,906.20/x
  3. Step 3: Cross multiply
    56,105.24x = 77,424.84 × 31,906.20
  4. Step 4: Simplify right side
    56,105.24x = 2,470,332,430.01
  5. Step 5: Solve for x
    x = 2,470,332,430.01/56,105.24
  6. Step 6: Final answer
    x = 44,030.33

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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.