Home / 76,387.63-114,584.55-36,386.05

Finding the Fourth Proportional to 76,387.63, 114,584.55 and 36,386.05

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Solution

The fourth proportional to 76,387.63, 114,584.55 and 36,386.05 is: 54,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,387.63 : 114,584.55 = 36,386.05 : x
  2. Step 2: Convert to fraction form
    76,387.63/114,584.55 = 36,386.05/x
  3. Step 3: Cross multiply
    76,387.63x = 114,584.55 × 36,386.05
  4. Step 4: Simplify right side
    76,387.63x = 4,169,278,410.67
  5. Step 5: Solve for x
    x = 4,169,278,410.67/76,387.63
  6. Step 6: Final answer
    x = 54,580.55

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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.