Home / 120,977.04-181,347.30-54,433.92

Finding the Fourth Proportional to 120,977.04, 181,347.30 and 54,433.92

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Solution

The fourth proportional to 120,977.04, 181,347.30 and 54,433.92 is: 81,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.04 : 181,347.30 = 54,433.92 : x
  2. Step 2: Convert to fraction form
    120,977.04/181,347.30 = 54,433.92/x
  3. Step 3: Cross multiply
    120,977.04x = 181,347.30 × 54,433.92
  4. Step 4: Simplify right side
    120,977.04x = 9,871,444,420.42
  5. Step 5: Solve for x
    x = 9,871,444,420.42/120,977.04
  6. Step 6: Final answer
    x = 81,597.67

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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.