Home / 111,041.49-166,636.05-51,881.77

Finding the Fourth Proportional to 111,041.49, 166,636.05 and 51,881.77

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Solution

The fourth proportional to 111,041.49, 166,636.05 and 51,881.77 is: 77,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,041.49 : 166,636.05 = 51,881.77 : x
  2. Step 2: Convert to fraction form
    111,041.49/166,636.05 = 51,881.77/x
  3. Step 3: Cross multiply
    111,041.49x = 166,636.05 × 51,881.77
  4. Step 4: Simplify right side
    111,041.49x = 8,645,373,219.81
  5. Step 5: Solve for x
    x = 8,645,373,219.81/111,041.49
  6. Step 6: Final answer
    x = 77,857.14

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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.