Home / 71,042.94-98,038.08-39,211.02

Finding the Fourth Proportional to 71,042.94, 98,038.08 and 39,211.02

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Solution

The fourth proportional to 71,042.94, 98,038.08 and 39,211.02 is: 54,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,042.94 : 98,038.08 = 39,211.02 : x
  2. Step 2: Convert to fraction form
    71,042.94/98,038.08 = 39,211.02/x
  3. Step 3: Cross multiply
    71,042.94x = 98,038.08 × 39,211.02
  4. Step 4: Simplify right side
    71,042.94x = 3,844,173,115.64
  5. Step 5: Solve for x
    x = 3,844,173,115.64/71,042.94
  6. Step 6: Final answer
    x = 54,110.56

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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.