Home / 75,018.28-112,558.51-32,876.53

Finding the Fourth Proportional to 75,018.28, 112,558.51 and 32,876.53

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Solution

The fourth proportional to 75,018.28, 112,558.51 and 32,876.53 is: 49,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.28 : 112,558.51 = 32,876.53 : x
  2. Step 2: Convert to fraction form
    75,018.28/112,558.51 = 32,876.53/x
  3. Step 3: Cross multiply
    75,018.28x = 112,558.51 × 32,876.53
  4. Step 4: Simplify right side
    75,018.28x = 3,700,533,623.61
  5. Step 5: Solve for x
    x = 3,700,533,623.61/75,018.28
  6. Step 6: Final answer
    x = 49,328.43

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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.