Home / 76,240.09-114,360.41-53,986.15

Finding the Fourth Proportional to 76,240.09, 114,360.41 and 53,986.15

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Solution

The fourth proportional to 76,240.09, 114,360.41 and 53,986.15 is: 80,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,240.09 : 114,360.41 = 53,986.15 : x
  2. Step 2: Convert to fraction form
    76,240.09/114,360.41 = 53,986.15/x
  3. Step 3: Cross multiply
    76,240.09x = 114,360.41 × 53,986.15
  4. Step 4: Simplify right side
    76,240.09x = 6,173,878,248.32
  5. Step 5: Solve for x
    x = 6,173,878,248.32/76,240.09
  6. Step 6: Final answer
    x = 80,979.42

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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.