Home / 64,940.11-89,616.43-36,260.23

Finding the Fourth Proportional to 64,940.11, 89,616.43 and 36,260.23

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Solution

The fourth proportional to 64,940.11, 89,616.43 and 36,260.23 is: 50,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,940.11 : 89,616.43 = 36,260.23 : x
  2. Step 2: Convert to fraction form
    64,940.11/89,616.43 = 36,260.23/x
  3. Step 3: Cross multiply
    64,940.11x = 89,616.43 × 36,260.23
  4. Step 4: Simplify right side
    64,940.11x = 3,249,512,363.58
  5. Step 5: Solve for x
    x = 3,249,512,363.58/64,940.11
  6. Step 6: Final answer
    x = 50,038.60

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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.