Home / 64,845.09-89,488.71-36,550.17

Finding the Fourth Proportional to 64,845.09, 89,488.71 and 36,550.17

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Solution

The fourth proportional to 64,845.09, 89,488.71 and 36,550.17 is: 50,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.09 : 89,488.71 = 36,550.17 : x
  2. Step 2: Convert to fraction form
    64,845.09/89,488.71 = 36,550.17/x
  3. Step 3: Cross multiply
    64,845.09x = 89,488.71 × 36,550.17
  4. Step 4: Simplify right side
    64,845.09x = 3,270,827,563.58
  5. Step 5: Solve for x
    x = 3,270,827,563.58/64,845.09
  6. Step 6: Final answer
    x = 50,440.64

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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.