Home / 64,705.26-97,056.99-20,334.72

Finding the Fourth Proportional to 64,705.26, 97,056.99 and 20,334.72

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Solution

The fourth proportional to 64,705.26, 97,056.99 and 20,334.72 is: 30,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,705.26 : 97,056.99 = 20,334.72 : x
  2. Step 2: Convert to fraction form
    64,705.26/97,056.99 = 20,334.72/x
  3. Step 3: Cross multiply
    64,705.26x = 97,056.99 × 20,334.72
  4. Step 4: Simplify right side
    64,705.26x = 1,973,626,715.69
  5. Step 5: Solve for x
    x = 1,973,626,715.69/64,705.26
  6. Step 6: Final answer
    x = 30,501.80

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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.