Home / 76,389.31-114,528.48-51,367.20

Finding the Fourth Proportional to 76,389.31, 114,528.48 and 51,367.20

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Solution

The fourth proportional to 76,389.31, 114,528.48 and 51,367.20 is: 77,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,389.31 : 114,528.48 = 51,367.20 : x
  2. Step 2: Convert to fraction form
    76,389.31/114,528.48 = 51,367.20/x
  3. Step 3: Cross multiply
    76,389.31x = 114,528.48 × 51,367.20
  4. Step 4: Simplify right side
    76,389.31x = 5,883,007,337.86
  5. Step 5: Solve for x
    x = 5,883,007,337.86/76,389.31
  6. Step 6: Final answer
    x = 77,013.49

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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.