Home / 113,795.87-157,038.75-62,809.03

Finding the Fourth Proportional to 113,795.87, 157,038.75 and 62,809.03

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Solution

The fourth proportional to 113,795.87, 157,038.75 and 62,809.03 is: 86,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,795.87 : 157,038.75 = 62,809.03 : x
  2. Step 2: Convert to fraction form
    113,795.87/157,038.75 = 62,809.03/x
  3. Step 3: Cross multiply
    113,795.87x = 157,038.75 × 62,809.03
  4. Step 4: Simplify right side
    113,795.87x = 9,863,451,756.21
  5. Step 5: Solve for x
    x = 9,863,451,756.21/113,795.87
  6. Step 6: Final answer
    x = 86,676.71

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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.