Home / 60,720.28-91,007.75-42,924.03

Finding the Fourth Proportional to 60,720.28, 91,007.75 and 42,924.03

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Solution

The fourth proportional to 60,720.28, 91,007.75 and 42,924.03 is: 64,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.28 : 91,007.75 = 42,924.03 : x
  2. Step 2: Convert to fraction form
    60,720.28/91,007.75 = 42,924.03/x
  3. Step 3: Cross multiply
    60,720.28x = 91,007.75 × 42,924.03
  4. Step 4: Simplify right side
    60,720.28x = 3,906,419,157.26
  5. Step 5: Solve for x
    x = 3,906,419,157.26/60,720.28
  6. Step 6: Final answer
    x = 64,334.67

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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.