Home / 65,530.98-90,372.74-48,577.44

Finding the Fourth Proportional to 65,530.98, 90,372.74 and 48,577.44

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Solution

The fourth proportional to 65,530.98, 90,372.74 and 48,577.44 is: 66,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,530.98 : 90,372.74 = 48,577.44 : x
  2. Step 2: Convert to fraction form
    65,530.98/90,372.74 = 48,577.44/x
  3. Step 3: Cross multiply
    65,530.98x = 90,372.74 × 48,577.44
  4. Step 4: Simplify right side
    65,530.98x = 4,390,076,354.99
  5. Step 5: Solve for x
    x = 4,390,076,354.99/65,530.98
  6. Step 6: Final answer
    x = 66,992.38

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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.