Home / 66,747.31-100,010.16-46,984.36

Finding the Fourth Proportional to 66,747.31, 100,010.16 and 46,984.36

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Solution

The fourth proportional to 66,747.31, 100,010.16 and 46,984.36 is: 70,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,747.31 : 100,010.16 = 46,984.36 : x
  2. Step 2: Convert to fraction form
    66,747.31/100,010.16 = 46,984.36/x
  3. Step 3: Cross multiply
    66,747.31x = 100,010.16 × 46,984.36
  4. Step 4: Simplify right side
    66,747.31x = 4,698,913,361.10
  5. Step 5: Solve for x
    x = 4,698,913,361.10/66,747.31
  6. Step 6: Final answer
    x = 70,398.54

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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.