Home / 104,020.70-143,512.90-58,693.10

Finding the Fourth Proportional to 104,020.70, 143,512.90 and 58,693.10

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Solution

The fourth proportional to 104,020.70, 143,512.90 and 58,693.10 is: 80,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,020.70 : 143,512.90 = 58,693.10 : x
  2. Step 2: Convert to fraction form
    104,020.70/143,512.90 = 58,693.10/x
  3. Step 3: Cross multiply
    104,020.70x = 143,512.90 × 58,693.10
  4. Step 4: Simplify right side
    104,020.70x = 8,423,216,126.69
  5. Step 5: Solve for x
    x = 8,423,216,126.69/104,020.70
  6. Step 6: Final answer
    x = 80,976.35

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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.