Home / 71,043.08-98,035.26-39,211.16

Finding the Fourth Proportional to 71,043.08, 98,035.26 and 39,211.16

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Solution

The fourth proportional to 71,043.08, 98,035.26 and 39,211.16 is: 54,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.08 : 98,035.26 = 39,211.16 : x
  2. Step 2: Convert to fraction form
    71,043.08/98,035.26 = 39,211.16/x
  3. Step 3: Cross multiply
    71,043.08x = 98,035.26 × 39,211.16
  4. Step 4: Simplify right side
    71,043.08x = 3,844,076,265.50
  5. Step 5: Solve for x
    x = 3,844,076,265.50/71,043.08
  6. Step 6: Final answer
    x = 54,109.09

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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.