Home / 91,361.44-126,078.20-51,075.01

Finding the Fourth Proportional to 91,361.44, 126,078.20 and 51,075.01

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Solution

The fourth proportional to 91,361.44, 126,078.20 and 51,075.01 is: 70,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,361.44 : 126,078.20 = 51,075.01 : x
  2. Step 2: Convert to fraction form
    91,361.44/126,078.20 = 51,075.01/x
  3. Step 3: Cross multiply
    91,361.44x = 126,078.20 × 51,075.01
  4. Step 4: Simplify right side
    91,361.44x = 6,439,444,695.39
  5. Step 5: Solve for x
    x = 6,439,444,695.39/91,361.44
  6. Step 6: Final answer
    x = 70,483.18

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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.