Home / 76,243.09-114,364.91-53,989.15

Finding the Fourth Proportional to 76,243.09, 114,364.91 and 53,989.15

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Solution

The fourth proportional to 76,243.09, 114,364.91 and 53,989.15 is: 80,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,243.09 : 114,364.91 = 53,989.15 : x
  2. Step 2: Convert to fraction form
    76,243.09/114,364.91 = 53,989.15/x
  3. Step 3: Cross multiply
    76,243.09x = 114,364.91 × 53,989.15
  4. Step 4: Simplify right side
    76,243.09x = 6,174,464,280.73
  5. Step 5: Solve for x
    x = 6,174,464,280.73/76,243.09
  6. Step 6: Final answer
    x = 80,983.92

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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.