Home / 137,763.77-206,621.40-37,899.86

Finding the Fourth Proportional to 137,763.77, 206,621.40 and 37,899.86

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Solution

The fourth proportional to 137,763.77, 206,621.40 and 37,899.86 is: 56,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,763.77 : 206,621.40 = 37,899.86 : x
  2. Step 2: Convert to fraction form
    137,763.77/206,621.40 = 37,899.86/x
  3. Step 3: Cross multiply
    137,763.77x = 206,621.40 × 37,899.86
  4. Step 4: Simplify right side
    137,763.77x = 7,830,922,133.00
  5. Step 5: Solve for x
    x = 7,830,922,133.00/137,763.77
  6. Step 6: Final answer
    x = 56,843.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.