Home / 55,820.32-76,979.26-36,666.30

Finding the Fourth Proportional to 55,820.32, 76,979.26 and 36,666.30

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Solution

The fourth proportional to 55,820.32, 76,979.26 and 36,666.30 is: 50,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.32 : 76,979.26 = 36,666.30 : x
  2. Step 2: Convert to fraction form
    55,820.32/76,979.26 = 36,666.30/x
  3. Step 3: Cross multiply
    55,820.32x = 76,979.26 × 36,666.30
  4. Step 4: Simplify right side
    55,820.32x = 2,822,544,640.94
  5. Step 5: Solve for x
    x = 2,822,544,640.94/55,820.32
  6. Step 6: Final answer
    x = 50,564.82

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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.