Home / 104,020.89-143,547.43-58,081.25

Finding the Fourth Proportional to 104,020.89, 143,547.43 and 58,081.25

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Solution

The fourth proportional to 104,020.89, 143,547.43 and 58,081.25 is: 80,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,020.89 : 143,547.43 = 58,081.25 : x
  2. Step 2: Convert to fraction form
    104,020.89/143,547.43 = 58,081.25/x
  3. Step 3: Cross multiply
    104,020.89x = 143,547.43 × 58,081.25
  4. Step 4: Simplify right side
    104,020.89x = 8,337,413,160.54
  5. Step 5: Solve for x
    x = 8,337,413,160.54/104,020.89
  6. Step 6: Final answer
    x = 80,151.33

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1.5x scale

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.