Home / 54,157.02-74,740.14-30,283.69

Finding the Fourth Proportional to 54,157.02, 74,740.14 and 30,283.69

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Solution

The fourth proportional to 54,157.02, 74,740.14 and 30,283.69 is: 41,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.02 : 74,740.14 = 30,283.69 : x
  2. Step 2: Convert to fraction form
    54,157.02/74,740.14 = 30,283.69/x
  3. Step 3: Cross multiply
    54,157.02x = 74,740.14 × 30,283.69
  4. Step 4: Simplify right side
    54,157.02x = 2,263,406,705.20
  5. Step 5: Solve for x
    x = 2,263,406,705.20/54,157.02
  6. Step 6: Final answer
    x = 41,793.41

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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.