Home / 65,175.18-89,943.64-36,880.26

Finding the Fourth Proportional to 65,175.18, 89,943.64 and 36,880.26

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Solution

The fourth proportional to 65,175.18, 89,943.64 and 36,880.26 is: 50,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,175.18 : 89,943.64 = 36,880.26 : x
  2. Step 2: Convert to fraction form
    65,175.18/89,943.64 = 36,880.26/x
  3. Step 3: Cross multiply
    65,175.18x = 89,943.64 × 36,880.26
  4. Step 4: Simplify right side
    65,175.18x = 3,317,144,828.55
  5. Step 5: Solve for x
    x = 3,317,144,828.55/65,175.18
  6. Step 6: Final answer
    x = 50,895.83

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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.