Home / 55,191.98-76,141.32-43,207.22

Finding the Fourth Proportional to 55,191.98, 76,141.32 and 43,207.22

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Solution

The fourth proportional to 55,191.98, 76,141.32 and 43,207.22 is: 59,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.98 : 76,141.32 = 43,207.22 : x
  2. Step 2: Convert to fraction form
    55,191.98/76,141.32 = 43,207.22/x
  3. Step 3: Cross multiply
    55,191.98x = 76,141.32 × 43,207.22
  4. Step 4: Simplify right side
    55,191.98x = 3,289,854,792.66
  5. Step 5: Solve for x
    x = 3,289,854,792.66/55,191.98
  6. Step 6: Final answer
    x = 59,607.48

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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.