Home / 78,003.24-107,635.21-44,009.74

Finding the Fourth Proportional to 78,003.24, 107,635.21 and 44,009.74

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Solution

The fourth proportional to 78,003.24, 107,635.21 and 44,009.74 is: 60,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003.24 : 107,635.21 = 44,009.74 : x
  2. Step 2: Convert to fraction form
    78,003.24/107,635.21 = 44,009.74/x
  3. Step 3: Cross multiply
    78,003.24x = 107,635.21 × 44,009.74
  4. Step 4: Simplify right side
    78,003.24x = 4,736,997,606.95
  5. Step 5: Solve for x
    x = 4,736,997,606.95/78,003.24
  6. Step 6: Final answer
    x = 60,728.22

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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.