Home / 65,175.17-89,943.63-36,880.25

Finding the Fourth Proportional to 65,175.17, 89,943.63 and 36,880.25

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Solution

The fourth proportional to 65,175.17, 89,943.63 and 36,880.25 is: 50,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,175.17 : 89,943.63 = 36,880.25 : x
  2. Step 2: Convert to fraction form
    65,175.17/89,943.63 = 36,880.25/x
  3. Step 3: Cross multiply
    65,175.17x = 89,943.63 × 36,880.25
  4. Step 4: Simplify right side
    65,175.17x = 3,317,143,560.31
  5. Step 5: Solve for x
    x = 3,317,143,560.31/65,175.17
  6. Step 6: Final answer
    x = 50,895.82

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1.5x scale

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.