Home / 53,700.48-80,467.92-28,743.84

Finding the Fourth Proportional to 53,700.48, 80,467.92 and 28,743.84

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Solution

The fourth proportional to 53,700.48, 80,467.92 and 28,743.84 is: 43,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,700.48 : 80,467.92 = 28,743.84 : x
  2. Step 2: Convert to fraction form
    53,700.48/80,467.92 = 28,743.84/x
  3. Step 3: Cross multiply
    53,700.48x = 80,467.92 × 28,743.84
  4. Step 4: Simplify right side
    53,700.48x = 2,312,957,017.61
  5. Step 5: Solve for x
    x = 2,312,957,017.61/53,700.48
  6. Step 6: Final answer
    x = 43,071.44

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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.