Home / 64,076.05-88,421.28-38,263.72

Finding the Fourth Proportional to 64,076.05, 88,421.28 and 38,263.72

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Solution

The fourth proportional to 64,076.05, 88,421.28 and 38,263.72 is: 52,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,076.05 : 88,421.28 = 38,263.72 : x
  2. Step 2: Convert to fraction form
    64,076.05/88,421.28 = 38,263.72/x
  3. Step 3: Cross multiply
    64,076.05x = 88,421.28 × 38,263.72
  4. Step 4: Simplify right side
    64,076.05x = 3,383,327,099.96
  5. Step 5: Solve for x
    x = 3,383,327,099.96/64,076.05
  6. Step 6: Final answer
    x = 52,801.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.