Home / 65,249.02-97,872.19-20,875.77

Finding the Fourth Proportional to 65,249.02, 97,872.19 and 20,875.77

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Solution

The fourth proportional to 65,249.02, 97,872.19 and 20,875.77 is: 31,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,249.02 : 97,872.19 = 20,875.77 : x
  2. Step 2: Convert to fraction form
    65,249.02/97,872.19 = 20,875.77/x
  3. Step 3: Cross multiply
    65,249.02x = 97,872.19 × 20,875.77
  4. Step 4: Simplify right side
    65,249.02x = 2,043,157,327.84
  5. Step 5: Solve for x
    x = 2,043,157,327.84/65,249.02
  6. Step 6: Final answer
    x = 31,313.23

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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.