Home / 65,566.06-90,485.91-40,077.25

Finding the Fourth Proportional to 65,566.06, 90,485.91 and 40,077.25

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Solution

The fourth proportional to 65,566.06, 90,485.91 and 40,077.25 is: 55,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.06 : 90,485.91 = 40,077.25 : x
  2. Step 2: Convert to fraction form
    65,566.06/90,485.91 = 40,077.25/x
  3. Step 3: Cross multiply
    65,566.06x = 90,485.91 × 40,077.25
  4. Step 4: Simplify right side
    65,566.06x = 3,626,426,210.33
  5. Step 5: Solve for x
    x = 3,626,426,210.33/65,566.06
  6. Step 6: Final answer
    x = 55,309.51

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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.