Home / 71,853.35-99,157.57-41,656.21

Finding the Fourth Proportional to 71,853.35, 99,157.57 and 41,656.21

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Solution

The fourth proportional to 71,853.35, 99,157.57 and 41,656.21 is: 57,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,853.35 : 99,157.57 = 41,656.21 : x
  2. Step 2: Convert to fraction form
    71,853.35/99,157.57 = 41,656.21/x
  3. Step 3: Cross multiply
    71,853.35x = 99,157.57 × 41,656.21
  4. Step 4: Simplify right side
    71,853.35x = 4,130,528,206.98
  5. Step 5: Solve for x
    x = 4,130,528,206.98/71,853.35
  6. Step 6: Final answer
    x = 57,485.54

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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.