Home / 130,023.51-195,091.61-45,843.81

Finding the Fourth Proportional to 130,023.51, 195,091.61 and 45,843.81

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Solution

The fourth proportional to 130,023.51, 195,091.61 and 45,843.81 is: 68,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.51 : 195,091.61 = 45,843.81 : x
  2. Step 2: Convert to fraction form
    130,023.51/195,091.61 = 45,843.81/x
  3. Step 3: Cross multiply
    130,023.51x = 195,091.61 × 45,843.81
  4. Step 4: Simplify right side
    130,023.51x = 8,943,742,472.22
  5. Step 5: Solve for x
    x = 8,943,742,472.22/130,023.51
  6. Step 6: Final answer
    x = 68,785.58

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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.