Home / 71,039.02-98,026.87-39,205.87

Finding the Fourth Proportional to 71,039.02, 98,026.87 and 39,205.87

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Solution

The fourth proportional to 71,039.02, 98,026.87 and 39,205.87 is: 54,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,039.02 : 98,026.87 = 39,205.87 : x
  2. Step 2: Convert to fraction form
    71,039.02/98,026.87 = 39,205.87/x
  3. Step 3: Cross multiply
    71,039.02x = 98,026.87 × 39,205.87
  4. Step 4: Simplify right side
    71,039.02x = 3,843,228,645.14
  5. Step 5: Solve for x
    x = 3,843,228,645.14/71,039.02
  6. Step 6: Final answer
    x = 54,100.25

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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.