Home / 76,326.14-114,559.68-55,001

Finding the Fourth Proportional to 76,326.14, 114,559.68 and 55,001

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Solution

The fourth proportional to 76,326.14, 114,559.68 and 55,001 is: 82,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,326.14 : 114,559.68 = 55,001 : x
  2. Step 2: Convert to fraction form
    76,326.14/114,559.68 = 55,001/x
  3. Step 3: Cross multiply
    76,326.14x = 114,559.68 × 55,001
  4. Step 4: Simplify right side
    76,326.14x = 6,300,896,959.68
  5. Step 5: Solve for x
    x = 6,300,896,959.68/76,326.14
  6. Step 6: Final answer
    x = 82,552.28

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1.5x scale

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.