Home / 53,748.80-80,618.88-18,683.36

Finding the Fourth Proportional to 53,748.80, 80,618.88 and 18,683.36

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Solution

The fourth proportional to 53,748.80, 80,618.88 and 18,683.36 is: 28,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.80 : 80,618.88 = 18,683.36 : x
  2. Step 2: Convert to fraction form
    53,748.80/80,618.88 = 18,683.36/x
  3. Step 3: Cross multiply
    53,748.80x = 80,618.88 × 18,683.36
  4. Step 4: Simplify right side
    53,748.80x = 1,506,231,557.84
  5. Step 5: Solve for x
    x = 1,506,231,557.84/53,748.80
  6. Step 6: Final answer
    x = 28,023.54

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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.