Home / 78,739.96-118,178.18-41,326.46

Finding the Fourth Proportional to 78,739.96, 118,178.18 and 41,326.46

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Solution

The fourth proportional to 78,739.96, 118,178.18 and 41,326.46 is: 62,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,739.96 : 118,178.18 = 41,326.46 : x
  2. Step 2: Convert to fraction form
    78,739.96/118,178.18 = 41,326.46/x
  3. Step 3: Cross multiply
    78,739.96x = 118,178.18 × 41,326.46
  4. Step 4: Simplify right side
    78,739.96x = 4,883,885,828.64
  5. Step 5: Solve for x
    x = 4,883,885,828.64/78,739.96
  6. Step 6: Final answer
    x = 62,025.51

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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.