Home / 71,070.44-98,077.15-39,239.54

Finding the Fourth Proportional to 71,070.44, 98,077.15 and 39,239.54

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Solution

The fourth proportional to 71,070.44, 98,077.15 and 39,239.54 is: 54,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,070.44 : 98,077.15 = 39,239.54 : x
  2. Step 2: Convert to fraction form
    71,070.44/98,077.15 = 39,239.54/x
  3. Step 3: Cross multiply
    71,070.44x = 98,077.15 × 39,239.54
  4. Step 4: Simplify right side
    71,070.44x = 3,848,501,563.93
  5. Step 5: Solve for x
    x = 3,848,501,563.93/71,070.44
  6. Step 6: Final answer
    x = 54,150.52

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1.5x scale

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.