Home / 75,832.28-113,748.40-40,723.64

Finding the Fourth Proportional to 75,832.28, 113,748.40 and 40,723.64

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Solution

The fourth proportional to 75,832.28, 113,748.40 and 40,723.64 is: 61,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,832.28 : 113,748.40 = 40,723.64 : x
  2. Step 2: Convert to fraction form
    75,832.28/113,748.40 = 40,723.64/x
  3. Step 3: Cross multiply
    75,832.28x = 113,748.40 × 40,723.64
  4. Step 4: Simplify right side
    75,832.28x = 4,632,248,892.18
  5. Step 5: Solve for x
    x = 4,632,248,892.18/75,832.28
  6. Step 6: Final answer
    x = 61,085.45

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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.