Home / 76,847.48-115,243.50-32,477.66

Finding the Fourth Proportional to 76,847.48, 115,243.50 and 32,477.66

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Solution

The fourth proportional to 76,847.48, 115,243.50 and 32,477.66 is: 48,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,847.48 : 115,243.50 = 32,477.66 : x
  2. Step 2: Convert to fraction form
    76,847.48/115,243.50 = 32,477.66/x
  3. Step 3: Cross multiply
    76,847.48x = 115,243.50 × 32,477.66
  4. Step 4: Simplify right side
    76,847.48x = 3,742,839,210.21
  5. Step 5: Solve for x
    x = 3,742,839,210.21/76,847.48
  6. Step 6: Final answer
    x = 48,704.77

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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.