Home / 76,338.98-114,516.32-26,419.00

Finding the Fourth Proportional to 76,338.98, 114,516.32 and 26,419.00

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Solution

The fourth proportional to 76,338.98, 114,516.32 and 26,419.00 is: 39,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,338.98 : 114,516.32 = 26,419.00 : x
  2. Step 2: Convert to fraction form
    76,338.98/114,516.32 = 26,419.00/x
  3. Step 3: Cross multiply
    76,338.98x = 114,516.32 × 26,419.00
  4. Step 4: Simplify right side
    76,338.98x = 3,025,406,437.84
  5. Step 5: Solve for x
    x = 3,025,406,437.84/76,338.98
  6. Step 6: Final answer
    x = 39,631.21

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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.