Home / 105,829.26-146,046.72-58,085.64

Finding the Fourth Proportional to 105,829.26, 146,046.72 and 58,085.64

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Solution

The fourth proportional to 105,829.26, 146,046.72 and 58,085.64 is: 80,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,829.26 : 146,046.72 = 58,085.64 : x
  2. Step 2: Convert to fraction form
    105,829.26/146,046.72 = 58,085.64/x
  3. Step 3: Cross multiply
    105,829.26x = 146,046.72 × 58,085.64
  4. Step 4: Simplify right side
    105,829.26x = 8,483,217,201.10
  5. Step 5: Solve for x
    x = 8,483,217,201.10/105,829.26
  6. Step 6: Final answer
    x = 80,159.47

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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.