Home / 76,631.40-114,940.26-26,703

Finding the Fourth Proportional to 76,631.40, 114,940.26 and 26,703

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Solution

The fourth proportional to 76,631.40, 114,940.26 and 26,703 is: 40,052.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,631.40 : 114,940.26 = 26,703 : x
  2. Step 2: Convert to fraction form
    76,631.40/114,940.26 = 26,703/x
  3. Step 3: Cross multiply
    76,631.40x = 114,940.26 × 26,703
  4. Step 4: Simplify right side
    76,631.40x = 3,069,249,762.78
  5. Step 5: Solve for x
    x = 3,069,249,762.78/76,631.40
  6. Step 6: Final answer
    x = 40,052.12

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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.