Home / 106,021.92-146,307.36-58,275.28

Finding the Fourth Proportional to 106,021.92, 146,307.36 and 58,275.28

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Solution

The fourth proportional to 106,021.92, 146,307.36 and 58,275.28 is: 80,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.92 : 146,307.36 = 58,275.28 : x
  2. Step 2: Convert to fraction form
    106,021.92/146,307.36 = 58,275.28/x
  3. Step 3: Cross multiply
    106,021.92x = 146,307.36 × 58,275.28
  4. Step 4: Simplify right side
    106,021.92x = 8,526,102,370.06
  5. Step 5: Solve for x
    x = 8,526,102,370.06/106,021.92
  6. Step 6: Final answer
    x = 80,418.30

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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.