Home / 77,209.98-106,616.25-48,577.37

Finding the Fourth Proportional to 77,209.98, 106,616.25 and 48,577.37

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Solution

The fourth proportional to 77,209.98, 106,616.25 and 48,577.37 is: 67,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,209.98 : 106,616.25 = 48,577.37 : x
  2. Step 2: Convert to fraction form
    77,209.98/106,616.25 = 48,577.37/x
  3. Step 3: Cross multiply
    77,209.98x = 106,616.25 × 48,577.37
  4. Step 4: Simplify right side
    77,209.98x = 5,179,137,090.90
  5. Step 5: Solve for x
    x = 5,179,137,090.90/77,209.98
  6. Step 6: Final answer
    x = 67,078.60

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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.