Home / 85,860.03-118,531.35-66,696.87

Finding the Fourth Proportional to 85,860.03, 118,531.35 and 66,696.87

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Solution

The fourth proportional to 85,860.03, 118,531.35 and 66,696.87 is: 92,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,860.03 : 118,531.35 = 66,696.87 : x
  2. Step 2: Convert to fraction form
    85,860.03/118,531.35 = 66,696.87/x
  3. Step 3: Cross multiply
    85,860.03x = 118,531.35 × 66,696.87
  4. Step 4: Simplify right side
    85,860.03x = 7,905,670,041.87
  5. Step 5: Solve for x
    x = 7,905,670,041.87/85,860.03
  6. Step 6: Final answer
    x = 92,076.26

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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.