Home / 53,186.02-79,772.82-13,740.04

Finding the Fourth Proportional to 53,186.02, 79,772.82 and 13,740.04

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Solution

The fourth proportional to 53,186.02, 79,772.82 and 13,740.04 is: 20,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.02 : 79,772.82 = 13,740.04 : x
  2. Step 2: Convert to fraction form
    53,186.02/79,772.82 = 13,740.04/x
  3. Step 3: Cross multiply
    53,186.02x = 79,772.82 × 13,740.04
  4. Step 4: Simplify right side
    53,186.02x = 1,096,081,737.71
  5. Step 5: Solve for x
    x = 1,096,081,737.71/53,186.02
  6. Step 6: Final answer
    x = 20,608.46

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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.