Home / 64,238.09-88,638.77-36,642.98

Finding the Fourth Proportional to 64,238.09, 88,638.77 and 36,642.98

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Solution

The fourth proportional to 64,238.09, 88,638.77 and 36,642.98 is: 50,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,238.09 : 88,638.77 = 36,642.98 : x
  2. Step 2: Convert to fraction form
    64,238.09/88,638.77 = 36,642.98/x
  3. Step 3: Cross multiply
    64,238.09x = 88,638.77 × 36,642.98
  4. Step 4: Simplify right side
    64,238.09x = 3,247,988,989.54
  5. Step 5: Solve for x
    x = 3,247,988,989.54/64,238.09
  6. Step 6: Final answer
    x = 50,561.73

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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.