Home / 103,681.12-143,093.70-58,367.98

Finding the Fourth Proportional to 103,681.12, 143,093.70 and 58,367.98

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Solution

The fourth proportional to 103,681.12, 143,093.70 and 58,367.98 is: 80,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.12 : 143,093.70 = 58,367.98 : x
  2. Step 2: Convert to fraction form
    103,681.12/143,093.70 = 58,367.98/x
  3. Step 3: Cross multiply
    103,681.12x = 143,093.70 × 58,367.98
  4. Step 4: Simplify right side
    103,681.12x = 8,352,090,219.73
  5. Step 5: Solve for x
    x = 8,352,090,219.73/103,681.12
  6. Step 6: Final answer
    x = 80,555.56

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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.