Home / 65,623.74-90,550.08-38,762.52

Finding the Fourth Proportional to 65,623.74, 90,550.08 and 38,762.52

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Solution

The fourth proportional to 65,623.74, 90,550.08 and 38,762.52 is: 53,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,623.74 : 90,550.08 = 38,762.52 : x
  2. Step 2: Convert to fraction form
    65,623.74/90,550.08 = 38,762.52/x
  3. Step 3: Cross multiply
    65,623.74x = 90,550.08 × 38,762.52
  4. Step 4: Simplify right side
    65,623.74x = 3,509,949,287.00
  5. Step 5: Solve for x
    x = 3,509,949,287.00/65,623.74
  6. Step 6: Final answer
    x = 53,485.97

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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.