Home / 77,548.02-107,042.49-50,361.18

Finding the Fourth Proportional to 77,548.02, 107,042.49 and 50,361.18

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Solution

The fourth proportional to 77,548.02, 107,042.49 and 50,361.18 is: 69,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,548.02 : 107,042.49 = 50,361.18 : x
  2. Step 2: Convert to fraction form
    77,548.02/107,042.49 = 50,361.18/x
  3. Step 3: Cross multiply
    77,548.02x = 107,042.49 × 50,361.18
  4. Step 4: Simplify right side
    77,548.02x = 5,390,786,106.54
  5. Step 5: Solve for x
    x = 5,390,786,106.54/77,548.02
  6. Step 6: Final answer
    x = 69,515.46

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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.