Home / 76,411.26-114,736.86-64,718.37

Finding the Fourth Proportional to 76,411.26, 114,736.86 and 64,718.37

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Solution

The fourth proportional to 76,411.26, 114,736.86 and 64,718.37 is: 97,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,411.26 : 114,736.86 = 64,718.37 : x
  2. Step 2: Convert to fraction form
    76,411.26/114,736.86 = 64,718.37/x
  3. Step 3: Cross multiply
    76,411.26x = 114,736.86 × 64,718.37
  4. Step 4: Simplify right side
    76,411.26x = 7,425,582,558.12
  5. Step 5: Solve for x
    x = 7,425,582,558.12/76,411.26
  6. Step 6: Final answer
    x = 97,179.17

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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.