Home / 66,830.51-99,996.60-66,083.13

Finding the Fourth Proportional to 66,830.51, 99,996.60 and 66,083.13

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Solution

The fourth proportional to 66,830.51, 99,996.60 and 66,083.13 is: 98,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,830.51 : 99,996.60 = 66,083.13 : x
  2. Step 2: Convert to fraction form
    66,830.51/99,996.60 = 66,083.13/x
  3. Step 3: Cross multiply
    66,830.51x = 99,996.60 × 66,083.13
  4. Step 4: Simplify right side
    66,830.51x = 6,608,088,317.36
  5. Step 5: Solve for x
    x = 6,608,088,317.36/66,830.51
  6. Step 6: Final answer
    x = 98,878.32

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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.