Home / 104,217.81-143,809.02-58,895.67

Finding the Fourth Proportional to 104,217.81, 143,809.02 and 58,895.67

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Solution

The fourth proportional to 104,217.81, 143,809.02 and 58,895.67 is: 81,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217.81 : 143,809.02 = 58,895.67 : x
  2. Step 2: Convert to fraction form
    104,217.81/143,809.02 = 58,895.67/x
  3. Step 3: Cross multiply
    104,217.81x = 143,809.02 × 58,895.67
  4. Step 4: Simplify right side
    104,217.81x = 8,469,729,124.23
  5. Step 5: Solve for x
    x = 8,469,729,124.23/104,217.81
  6. Step 6: Final answer
    x = 81,269.50

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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.