Home / 65,565.58-90,480.27-37,271.26

Finding the Fourth Proportional to 65,565.58, 90,480.27 and 37,271.26

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Solution

The fourth proportional to 65,565.58, 90,480.27 and 37,271.26 is: 51,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,565.58 : 90,480.27 = 37,271.26 : x
  2. Step 2: Convert to fraction form
    65,565.58/90,480.27 = 37,271.26/x
  3. Step 3: Cross multiply
    65,565.58x = 90,480.27 × 37,271.26
  4. Step 4: Simplify right side
    65,565.58x = 3,372,313,668.04
  5. Step 5: Solve for x
    x = 3,372,313,668.04/65,565.58
  6. Step 6: Final answer
    x = 51,434.21

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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.