Home / 124,555.50-186,708.34-64,550.36

Finding the Fourth Proportional to 124,555.50, 186,708.34 and 64,550.36

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Solution

The fourth proportional to 124,555.50, 186,708.34 and 64,550.36 is: 96,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,555.50 : 186,708.34 = 64,550.36 : x
  2. Step 2: Convert to fraction form
    124,555.50/186,708.34 = 64,550.36/x
  3. Step 3: Cross multiply
    124,555.50x = 186,708.34 × 64,550.36
  4. Step 4: Simplify right side
    124,555.50x = 12,052,091,109.46
  5. Step 5: Solve for x
    x = 12,052,091,109.46/124,555.50
  6. Step 6: Final answer
    x = 96,760.81

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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.