Home / 124,131.43-186,051.35-57,430.67

Finding the Fourth Proportional to 124,131.43, 186,051.35 and 57,430.67

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Solution

The fourth proportional to 124,131.43, 186,051.35 and 57,430.67 is: 86,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,131.43 : 186,051.35 = 57,430.67 : x
  2. Step 2: Convert to fraction form
    124,131.43/186,051.35 = 57,430.67/x
  3. Step 3: Cross multiply
    124,131.43x = 186,051.35 × 57,430.67
  4. Step 4: Simplify right side
    124,131.43x = 10,685,052,575.18
  5. Step 5: Solve for x
    x = 10,685,052,575.18/124,131.43
  6. Step 6: Final answer
    x = 86,078.54

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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.