Home / 66,361.06-91,577.55-38,071.18

Finding the Fourth Proportional to 66,361.06, 91,577.55 and 38,071.18

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Solution

The fourth proportional to 66,361.06, 91,577.55 and 38,071.18 is: 52,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,361.06 : 91,577.55 = 38,071.18 : x
  2. Step 2: Convert to fraction form
    66,361.06/91,577.55 = 38,071.18/x
  3. Step 3: Cross multiply
    66,361.06x = 91,577.55 × 38,071.18
  4. Step 4: Simplify right side
    66,361.06x = 3,486,465,390.01
  5. Step 5: Solve for x
    x = 3,486,465,390.01/66,361.06
  6. Step 6: Final answer
    x = 52,537.82

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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.