Home / 64,975.26-89,638.74-43,717.62

Finding the Fourth Proportional to 64,975.26, 89,638.74 and 43,717.62

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Solution

The fourth proportional to 64,975.26, 89,638.74 and 43,717.62 is: 60,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,975.26 : 89,638.74 = 43,717.62 : x
  2. Step 2: Convert to fraction form
    64,975.26/89,638.74 = 43,717.62/x
  3. Step 3: Cross multiply
    64,975.26x = 89,638.74 × 43,717.62
  4. Step 4: Simplify right side
    64,975.26x = 3,918,792,372.60
  5. Step 5: Solve for x
    x = 3,918,792,372.60/64,975.26
  6. Step 6: Final answer
    x = 60,312.07

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Why These Related Problems?

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