Home / 76,386.13-114,581.50-36,409.37

Finding the Fourth Proportional to 76,386.13, 114,581.50 and 36,409.37

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Solution

The fourth proportional to 76,386.13, 114,581.50 and 36,409.37 is: 54,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386.13 : 114,581.50 = 36,409.37 : x
  2. Step 2: Convert to fraction form
    76,386.13/114,581.50 = 36,409.37/x
  3. Step 3: Cross multiply
    76,386.13x = 114,581.50 × 36,409.37
  4. Step 4: Simplify right side
    76,386.13x = 4,171,839,564.72
  5. Step 5: Solve for x
    x = 4,171,839,564.72/76,386.13
  6. Step 6: Final answer
    x = 54,615.15

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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.