Home / 69,129.19-103,588.14-46,556.40

Finding the Fourth Proportional to 69,129.19, 103,588.14 and 46,556.40

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Solution

The fourth proportional to 69,129.19, 103,588.14 and 46,556.40 is: 69,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,129.19 : 103,588.14 = 46,556.40 : x
  2. Step 2: Convert to fraction form
    69,129.19/103,588.14 = 46,556.40/x
  3. Step 3: Cross multiply
    69,129.19x = 103,588.14 × 46,556.40
  4. Step 4: Simplify right side
    69,129.19x = 4,822,690,363.16
  5. Step 5: Solve for x
    x = 4,822,690,363.16/69,129.19
  6. Step 6: Final answer
    x = 69,763.44

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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.