Home / 75,376.28-112,931.37-45,733.92

Finding the Fourth Proportional to 75,376.28, 112,931.37 and 45,733.92

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Solution

The fourth proportional to 75,376.28, 112,931.37 and 45,733.92 is: 68,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,376.28 : 112,931.37 = 45,733.92 : x
  2. Step 2: Convert to fraction form
    75,376.28/112,931.37 = 45,733.92/x
  3. Step 3: Cross multiply
    75,376.28x = 112,931.37 × 45,733.92
  4. Step 4: Simplify right side
    75,376.28x = 5,164,794,241.07
  5. Step 5: Solve for x
    x = 5,164,794,241.07/75,376.28
  6. Step 6: Final answer
    x = 68,520.16

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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.