Home / 113,006.56-155,956.26-62,705.56

Finding the Fourth Proportional to 113,006.56, 155,956.26 and 62,705.56

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Solution

The fourth proportional to 113,006.56, 155,956.26 and 62,705.56 is: 86,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,006.56 : 155,956.26 = 62,705.56 : x
  2. Step 2: Convert to fraction form
    113,006.56/155,956.26 = 62,705.56/x
  3. Step 3: Cross multiply
    113,006.56x = 155,956.26 × 62,705.56
  4. Step 4: Simplify right side
    113,006.56x = 9,779,324,618.81
  5. Step 5: Solve for x
    x = 9,779,324,618.81/113,006.56
  6. Step 6: Final answer
    x = 86,537.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.