Home / 54,139.46-74,714.00-30,266.19

Finding the Fourth Proportional to 54,139.46, 74,714.00 and 30,266.19

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Solution

The fourth proportional to 54,139.46, 74,714.00 and 30,266.19 is: 41,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,139.46 : 74,714.00 = 30,266.19 : x
  2. Step 2: Convert to fraction form
    54,139.46/74,714.00 = 30,266.19/x
  3. Step 3: Cross multiply
    54,139.46x = 74,714.00 × 30,266.19
  4. Step 4: Simplify right side
    54,139.46x = 2,261,307,968.33
  5. Step 5: Solve for x
    x = 2,261,307,968.33/54,139.46
  6. Step 6: Final answer
    x = 41,768.21

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1.5x scale

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.