Home / 65,743.20-98,614.80-23,643.45

Finding the Fourth Proportional to 65,743.20, 98,614.80 and 23,643.45

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Solution

The fourth proportional to 65,743.20, 98,614.80 and 23,643.45 is: 35,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,743.20 : 98,614.80 = 23,643.45 : x
  2. Step 2: Convert to fraction form
    65,743.20/98,614.80 = 23,643.45/x
  3. Step 3: Cross multiply
    65,743.20x = 98,614.80 × 23,643.45
  4. Step 4: Simplify right side
    65,743.20x = 2,331,594,093.06
  5. Step 5: Solve for x
    x = 2,331,594,093.06/65,743.20
  6. Step 6: Final answer
    x = 35,465.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.