Home / 76,359.21-114,511.37-26,425.76

Finding the Fourth Proportional to 76,359.21, 114,511.37 and 26,425.76

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Solution

The fourth proportional to 76,359.21, 114,511.37 and 26,425.76 is: 39,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359.21 : 114,511.37 = 26,425.76 : x
  2. Step 2: Convert to fraction form
    76,359.21/114,511.37 = 26,425.76/x
  3. Step 3: Cross multiply
    76,359.21x = 114,511.37 × 26,425.76
  4. Step 4: Simplify right side
    76,359.21x = 3,026,049,276.21
  5. Step 5: Solve for x
    x = 3,026,049,276.21/76,359.21
  6. Step 6: Final answer
    x = 39,629.13

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1.5x scale

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.