Home / 53,487.20-73,811.28-29,613.32

Finding the Fourth Proportional to 53,487.20, 73,811.28 and 29,613.32

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Solution

The fourth proportional to 53,487.20, 73,811.28 and 29,613.32 is: 40,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.20 : 73,811.28 = 29,613.32 : x
  2. Step 2: Convert to fraction form
    53,487.20/73,811.28 = 29,613.32/x
  3. Step 3: Cross multiply
    53,487.20x = 73,811.28 × 29,613.32
  4. Step 4: Simplify right side
    53,487.20x = 2,185,797,054.25
  5. Step 5: Solve for x
    x = 2,185,797,054.25/53,487.20
  6. Step 6: Final answer
    x = 40,865.80

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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.