Home / 64,210.09-88,694.59-49,287.16

Finding the Fourth Proportional to 64,210.09, 88,694.59 and 49,287.16

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Solution

The fourth proportional to 64,210.09, 88,694.59 and 49,287.16 is: 68,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,210.09 : 88,694.59 = 49,287.16 : x
  2. Step 2: Convert to fraction form
    64,210.09/88,694.59 = 49,287.16/x
  3. Step 3: Cross multiply
    64,210.09x = 88,694.59 × 49,287.16
  4. Step 4: Simplify right side
    64,210.09x = 4,371,504,448.46
  5. Step 5: Solve for x
    x = 4,371,504,448.46/64,210.09
  6. Step 6: Final answer
    x = 68,081.27

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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.