Home / 76,386.81-114,583.33-36,385.23

Finding the Fourth Proportional to 76,386.81, 114,583.33 and 36,385.23

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Solution

The fourth proportional to 76,386.81, 114,583.33 and 36,385.23 is: 54,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386.81 : 114,583.33 = 36,385.23 : x
  2. Step 2: Convert to fraction form
    76,386.81/114,583.33 = 36,385.23/x
  3. Step 3: Cross multiply
    76,386.81x = 114,583.33 × 36,385.23
  4. Step 4: Simplify right side
    76,386.81x = 4,169,140,920.75
  5. Step 5: Solve for x
    x = 4,169,140,920.75/76,386.81
  6. Step 6: Final answer
    x = 54,579.33

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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.