Home / 66,014.22-98,877.90-40,636.38

Finding the Fourth Proportional to 66,014.22, 98,877.90 and 40,636.38

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Solution

The fourth proportional to 66,014.22, 98,877.90 and 40,636.38 is: 60,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014.22 : 98,877.90 = 40,636.38 : x
  2. Step 2: Convert to fraction form
    66,014.22/98,877.90 = 40,636.38/x
  3. Step 3: Cross multiply
    66,014.22x = 98,877.90 × 40,636.38
  4. Step 4: Simplify right side
    66,014.22x = 4,018,039,918.00
  5. Step 5: Solve for x
    x = 4,018,039,918.00/66,014.22
  6. Step 6: Final answer
    x = 60,866.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.