Home / 48,655.12-72,840.43-43,985.83

Finding the Fourth Proportional to 48,655.12, 72,840.43 and 43,985.83

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Solution

The fourth proportional to 48,655.12, 72,840.43 and 43,985.83 is: 65,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.12 : 72,840.43 = 43,985.83 : x
  2. Step 2: Convert to fraction form
    48,655.12/72,840.43 = 43,985.83/x
  3. Step 3: Cross multiply
    48,655.12x = 72,840.43 × 43,985.83
  4. Step 4: Simplify right side
    48,655.12x = 3,203,946,771.11
  5. Step 5: Solve for x
    x = 3,203,946,771.11/48,655.12
  6. Step 6: Final answer
    x = 65,850.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.