Home / 55,213.54-76,188.96-31,017.22

Finding the Fourth Proportional to 55,213.54, 76,188.96 and 31,017.22

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Solution

The fourth proportional to 55,213.54, 76,188.96 and 31,017.22 is: 42,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.54 : 76,188.96 = 31,017.22 : x
  2. Step 2: Convert to fraction form
    55,213.54/76,188.96 = 31,017.22/x
  3. Step 3: Cross multiply
    55,213.54x = 76,188.96 × 31,017.22
  4. Step 4: Simplify right side
    55,213.54x = 2,363,169,733.89
  5. Step 5: Solve for x
    x = 2,363,169,733.89/55,213.54
  6. Step 6: Final answer
    x = 42,800.55

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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.