Home / 66,208.95-91,361.50-39,346.29

Finding the Fourth Proportional to 66,208.95, 91,361.50 and 39,346.29

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Solution

The fourth proportional to 66,208.95, 91,361.50 and 39,346.29 is: 54,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208.95 : 91,361.50 = 39,346.29 : x
  2. Step 2: Convert to fraction form
    66,208.95/91,361.50 = 39,346.29/x
  3. Step 3: Cross multiply
    66,208.95x = 91,361.50 × 39,346.29
  4. Step 4: Simplify right side
    66,208.95x = 3,594,736,073.84
  5. Step 5: Solve for x
    x = 3,594,736,073.84/66,208.95
  6. Step 6: Final answer
    x = 54,293.81

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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.