Home / 63,642.69-87,821.76-36,786.93

Finding the Fourth Proportional to 63,642.69, 87,821.76 and 36,786.93

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Solution

The fourth proportional to 63,642.69, 87,821.76 and 36,786.93 is: 50,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.69 : 87,821.76 = 36,786.93 : x
  2. Step 2: Convert to fraction form
    63,642.69/87,821.76 = 36,786.93/x
  3. Step 3: Cross multiply
    63,642.69x = 87,821.76 × 36,786.93
  4. Step 4: Simplify right side
    63,642.69x = 3,230,692,937.60
  5. Step 5: Solve for x
    x = 3,230,692,937.60/63,642.69
  6. Step 6: Final answer
    x = 50,762.99

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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.