Home / 75,808.96-113,793.36-42,557.20

Finding the Fourth Proportional to 75,808.96, 113,793.36 and 42,557.20

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Solution

The fourth proportional to 75,808.96, 113,793.36 and 42,557.20 is: 63,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,808.96 : 113,793.36 = 42,557.20 : x
  2. Step 2: Convert to fraction form
    75,808.96/113,793.36 = 42,557.20/x
  3. Step 3: Cross multiply
    75,808.96x = 113,793.36 × 42,557.20
  4. Step 4: Simplify right side
    75,808.96x = 4,842,726,780.19
  5. Step 5: Solve for x
    x = 4,842,726,780.19/75,808.96
  6. Step 6: Final answer
    x = 63,880.67

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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.