Home / 127,599.30-191,389.72-61,021.56

Finding the Fourth Proportional to 127,599.30, 191,389.72 and 61,021.56

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Solution

The fourth proportional to 127,599.30, 191,389.72 and 61,021.56 is: 91,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599.30 : 191,389.72 = 61,021.56 : x
  2. Step 2: Convert to fraction form
    127,599.30/191,389.72 = 61,021.56/x
  3. Step 3: Cross multiply
    127,599.30x = 191,389.72 × 61,021.56
  4. Step 4: Simplify right side
    127,599.30x = 11,678,899,282.36
  5. Step 5: Solve for x
    x = 11,678,899,282.36/127,599.30
  6. Step 6: Final answer
    x = 91,527.93

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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.