Home / 76,457.66-114,651.96-23,129.08

Finding the Fourth Proportional to 76,457.66, 114,651.96 and 23,129.08

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Solution

The fourth proportional to 76,457.66, 114,651.96 and 23,129.08 is: 34,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,457.66 : 114,651.96 = 23,129.08 : x
  2. Step 2: Convert to fraction form
    76,457.66/114,651.96 = 23,129.08/x
  3. Step 3: Cross multiply
    76,457.66x = 114,651.96 × 23,129.08
  4. Step 4: Simplify right side
    76,457.66x = 2,651,793,981.63
  5. Step 5: Solve for x
    x = 2,651,793,981.63/76,457.66
  6. Step 6: Final answer
    x = 34,683.17

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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.