Home / 66,118.28-91,241.94-37,435.77

Finding the Fourth Proportional to 66,118.28, 91,241.94 and 37,435.77

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Solution

The fourth proportional to 66,118.28, 91,241.94 and 37,435.77 is: 51,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.28 : 91,241.94 = 37,435.77 : x
  2. Step 2: Convert to fraction form
    66,118.28/91,241.94 = 37,435.77/x
  3. Step 3: Cross multiply
    66,118.28x = 91,241.94 × 37,435.77
  4. Step 4: Simplify right side
    66,118.28x = 3,415,712,420.58
  5. Step 5: Solve for x
    x = 3,415,712,420.58/66,118.28
  6. Step 6: Final answer
    x = 51,660.64

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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.