Home / 103,919.46-143,396.66-58,594.74

Finding the Fourth Proportional to 103,919.46, 143,396.66 and 58,594.74

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Solution

The fourth proportional to 103,919.46, 143,396.66 and 58,594.74 is: 80,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,919.46 : 143,396.66 = 58,594.74 : x
  2. Step 2: Convert to fraction form
    103,919.46/143,396.66 = 58,594.74/x
  3. Step 3: Cross multiply
    103,919.46x = 143,396.66 × 58,594.74
  4. Step 4: Simplify right side
    103,919.46x = 8,402,289,292.59
  5. Step 5: Solve for x
    x = 8,402,289,292.59/103,919.46
  6. Step 6: Final answer
    x = 80,853.86

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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.