Home / 56,471.36-77,930.52-31,321.04

Finding the Fourth Proportional to 56,471.36, 77,930.52 and 31,321.04

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Solution

The fourth proportional to 56,471.36, 77,930.52 and 31,321.04 is: 43,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.36 : 77,930.52 = 31,321.04 : x
  2. Step 2: Convert to fraction form
    56,471.36/77,930.52 = 31,321.04/x
  3. Step 3: Cross multiply
    56,471.36x = 77,930.52 × 31,321.04
  4. Step 4: Simplify right side
    56,471.36x = 2,440,864,934.14
  5. Step 5: Solve for x
    x = 2,440,864,934.14/56,471.36
  6. Step 6: Final answer
    x = 43,223.06

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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.