Home / 55,874.52-77,100.36-31,999.76

Finding the Fourth Proportional to 55,874.52, 77,100.36 and 31,999.76

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Solution

The fourth proportional to 55,874.52, 77,100.36 and 31,999.76 is: 44,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874.52 : 77,100.36 = 31,999.76 : x
  2. Step 2: Convert to fraction form
    55,874.52/77,100.36 = 31,999.76/x
  3. Step 3: Cross multiply
    55,874.52x = 77,100.36 × 31,999.76
  4. Step 4: Simplify right side
    55,874.52x = 2,467,193,015.91
  5. Step 5: Solve for x
    x = 2,467,193,015.91/55,874.52
  6. Step 6: Final answer
    x = 44,155.96

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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.