Home / 75,541.20-113,214.60-45,927.60

Finding the Fourth Proportional to 75,541.20, 113,214.60 and 45,927.60

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Solution

The fourth proportional to 75,541.20, 113,214.60 and 45,927.60 is: 68,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,541.20 : 113,214.60 = 45,927.60 : x
  2. Step 2: Convert to fraction form
    75,541.20/113,214.60 = 45,927.60/x
  3. Step 3: Cross multiply
    75,541.20x = 113,214.60 × 45,927.60
  4. Step 4: Simplify right side
    75,541.20x = 5,199,674,862.96
  5. Step 5: Solve for x
    x = 5,199,674,862.96/75,541.20
  6. Step 6: Final answer
    x = 68,832.30

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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.