Home / 76,322.64-114,511.20-46,397.76

Finding the Fourth Proportional to 76,322.64, 114,511.20 and 46,397.76

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Solution

The fourth proportional to 76,322.64, 114,511.20 and 46,397.76 is: 69,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,322.64 : 114,511.20 = 46,397.76 : x
  2. Step 2: Convert to fraction form
    76,322.64/114,511.20 = 46,397.76/x
  3. Step 3: Cross multiply
    76,322.64x = 114,511.20 × 46,397.76
  4. Step 4: Simplify right side
    76,322.64x = 5,313,063,174.91
  5. Step 5: Solve for x
    x = 5,313,063,174.91/76,322.64
  6. Step 6: Final answer
    x = 69,613.20

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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.