Home / 111,011.48-166,439.34-40,881.80

Finding the Fourth Proportional to 111,011.48, 166,439.34 and 40,881.80

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Solution

The fourth proportional to 111,011.48, 166,439.34 and 40,881.80 is: 61,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,011.48 : 166,439.34 = 40,881.80 : x
  2. Step 2: Convert to fraction form
    111,011.48/166,439.34 = 40,881.80/x
  3. Step 3: Cross multiply
    111,011.48x = 166,439.34 × 40,881.80
  4. Step 4: Simplify right side
    111,011.48x = 6,804,339,810.01
  5. Step 5: Solve for x
    x = 6,804,339,810.01/111,011.48
  6. Step 6: Final answer
    x = 61,294.02

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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.