Home / 91,395.28-126,106.12-53,647.44

Finding the Fourth Proportional to 91,395.28, 126,106.12 and 53,647.44

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Solution

The fourth proportional to 91,395.28, 126,106.12 and 53,647.44 is: 74,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,395.28 : 126,106.12 = 53,647.44 : x
  2. Step 2: Convert to fraction form
    91,395.28/126,106.12 = 53,647.44/x
  3. Step 3: Cross multiply
    91,395.28x = 126,106.12 × 53,647.44
  4. Step 4: Simplify right side
    91,395.28x = 6,765,270,506.33
  5. Step 5: Solve for x
    x = 6,765,270,506.33/91,395.28
  6. Step 6: Final answer
    x = 74,022.10

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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.