Home / 75,588.40-113,382.60-51,968.80

Finding the Fourth Proportional to 75,588.40, 113,382.60 and 51,968.80

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Solution

The fourth proportional to 75,588.40, 113,382.60 and 51,968.80 is: 77,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,588.40 : 113,382.60 = 51,968.80 : x
  2. Step 2: Convert to fraction form
    75,588.40/113,382.60 = 51,968.80/x
  3. Step 3: Cross multiply
    75,588.40x = 113,382.60 × 51,968.80
  4. Step 4: Simplify right side
    75,588.40x = 5,892,357,662.88
  5. Step 5: Solve for x
    x = 5,892,357,662.88/75,588.40
  6. Step 6: Final answer
    x = 77,953.20

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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.