Home / 75,615.03-113,492.60-38,201.46

Finding the Fourth Proportional to 75,615.03, 113,492.60 and 38,201.46

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Solution

The fourth proportional to 75,615.03, 113,492.60 and 38,201.46 is: 57,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,615.03 : 113,492.60 = 38,201.46 : x
  2. Step 2: Convert to fraction form
    75,615.03/113,492.60 = 38,201.46/x
  3. Step 3: Cross multiply
    75,615.03x = 113,492.60 × 38,201.46
  4. Step 4: Simplify right side
    75,615.03x = 4,335,582,828.19
  5. Step 5: Solve for x
    x = 4,335,582,828.19/75,615.03
  6. Step 6: Final answer
    x = 57,337.58

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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.