Home / 56,356.23-77,771.60-31,205.73

Finding the Fourth Proportional to 56,356.23, 77,771.60 and 31,205.73

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Solution

The fourth proportional to 56,356.23, 77,771.60 and 31,205.73 is: 43,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.23 : 77,771.60 = 31,205.73 : x
  2. Step 2: Convert to fraction form
    56,356.23/77,771.60 = 31,205.73/x
  3. Step 3: Cross multiply
    56,356.23x = 77,771.60 × 31,205.73
  4. Step 4: Simplify right side
    56,356.23x = 2,426,919,551.27
  5. Step 5: Solve for x
    x = 2,426,919,551.27/56,356.23
  6. Step 6: Final answer
    x = 43,063.91

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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.