Home / 76,468.10-114,646.23-51,445.94

Finding the Fourth Proportional to 76,468.10, 114,646.23 and 51,445.94

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Solution

The fourth proportional to 76,468.10, 114,646.23 and 51,445.94 is: 77,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,468.10 : 114,646.23 = 51,445.94 : x
  2. Step 2: Convert to fraction form
    76,468.10/114,646.23 = 51,445.94/x
  3. Step 3: Cross multiply
    76,468.10x = 114,646.23 × 51,445.94
  4. Step 4: Simplify right side
    76,468.10x = 5,898,083,069.81
  5. Step 5: Solve for x
    x = 5,898,083,069.81/76,468.10
  6. Step 6: Final answer
    x = 77,131.29

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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.