Home / 55,975.32-77,220.97-37,820.18

Finding the Fourth Proportional to 55,975.32, 77,220.97 and 37,820.18

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Solution

The fourth proportional to 55,975.32, 77,220.97 and 37,820.18 is: 52,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.32 : 77,220.97 = 37,820.18 : x
  2. Step 2: Convert to fraction form
    55,975.32/77,220.97 = 37,820.18/x
  3. Step 3: Cross multiply
    55,975.32x = 77,220.97 × 37,820.18
  4. Step 4: Simplify right side
    55,975.32x = 2,920,511,083.68
  5. Step 5: Solve for x
    x = 2,920,511,083.68/55,975.32
  6. Step 6: Final answer
    x = 52,174.98

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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.