Home / 52,324.21-78,485.64-12,881.67

Finding the Fourth Proportional to 52,324.21, 78,485.64 and 12,881.67

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Solution

The fourth proportional to 52,324.21, 78,485.64 and 12,881.67 is: 19,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,324.21 : 78,485.64 = 12,881.67 : x
  2. Step 2: Convert to fraction form
    52,324.21/78,485.64 = 12,881.67/x
  3. Step 3: Cross multiply
    52,324.21x = 78,485.64 × 12,881.67
  4. Step 4: Simplify right side
    52,324.21x = 1,011,026,114.22
  5. Step 5: Solve for x
    x = 1,011,026,114.22/52,324.21
  6. Step 6: Final answer
    x = 19,322.34

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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.