Home / 66,118.36-91,241.35-35,903.14

Finding the Fourth Proportional to 66,118.36, 91,241.35 and 35,903.14

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Solution

The fourth proportional to 66,118.36, 91,241.35 and 35,903.14 is: 49,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.36 : 91,241.35 = 35,903.14 : x
  2. Step 2: Convert to fraction form
    66,118.36/91,241.35 = 35,903.14/x
  3. Step 3: Cross multiply
    66,118.36x = 91,241.35 × 35,903.14
  4. Step 4: Simplify right side
    66,118.36x = 3,275,850,962.84
  5. Step 5: Solve for x
    x = 3,275,850,962.84/66,118.36
  6. Step 6: Final answer
    x = 49,545.25

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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.