Home / 76,280.88-105,150.99-53,556.18

Finding the Fourth Proportional to 76,280.88, 105,150.99 and 53,556.18

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Solution

The fourth proportional to 76,280.88, 105,150.99 and 53,556.18 is: 73,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,280.88 : 105,150.99 = 53,556.18 : x
  2. Step 2: Convert to fraction form
    76,280.88/105,150.99 = 53,556.18/x
  3. Step 3: Cross multiply
    76,280.88x = 105,150.99 × 53,556.18
  4. Step 4: Simplify right side
    76,280.88x = 5,631,485,347.62
  5. Step 5: Solve for x
    x = 5,631,485,347.62/76,280.88
  6. Step 6: Final answer
    x = 73,825.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.