Home / 55,343.18-76,373.42-30,192.50

Finding the Fourth Proportional to 55,343.18, 76,373.42 and 30,192.50

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Solution

The fourth proportional to 55,343.18, 76,373.42 and 30,192.50 is: 41,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.18 : 76,373.42 = 30,192.50 : x
  2. Step 2: Convert to fraction form
    55,343.18/76,373.42 = 30,192.50/x
  3. Step 3: Cross multiply
    55,343.18x = 76,373.42 × 30,192.50
  4. Step 4: Simplify right side
    55,343.18x = 2,305,904,483.35
  5. Step 5: Solve for x
    x = 2,305,904,483.35/55,343.18
  6. Step 6: Final answer
    x = 41,665.56

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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.