Home / 64,256.09-88,706.68-40,064.22

Finding the Fourth Proportional to 64,256.09, 88,706.68 and 40,064.22

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Solution

The fourth proportional to 64,256.09, 88,706.68 and 40,064.22 is: 55,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,256.09 : 88,706.68 = 40,064.22 : x
  2. Step 2: Convert to fraction form
    64,256.09/88,706.68 = 40,064.22/x
  3. Step 3: Cross multiply
    64,256.09x = 88,706.68 × 40,064.22
  4. Step 4: Simplify right side
    64,256.09x = 3,553,963,842.83
  5. Step 5: Solve for x
    x = 3,553,963,842.83/64,256.09
  6. Step 6: Final answer
    x = 55,309.37

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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.