Home / 117,430.13-162,048.85-63,713.09

Finding the Fourth Proportional to 117,430.13, 162,048.85 and 63,713.09

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Solution

The fourth proportional to 117,430.13, 162,048.85 and 63,713.09 is: 87,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,430.13 : 162,048.85 = 63,713.09 : x
  2. Step 2: Convert to fraction form
    117,430.13/162,048.85 = 63,713.09/x
  3. Step 3: Cross multiply
    117,430.13x = 162,048.85 × 63,713.09
  4. Step 4: Simplify right side
    117,430.13x = 10,324,632,964.45
  5. Step 5: Solve for x
    x = 10,324,632,964.45/117,430.13
  6. Step 6: Final answer
    x = 87,921.50

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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.