Home / 103,692.60-143,094.21-58,370.45

Finding the Fourth Proportional to 103,692.60, 143,094.21 and 58,370.45

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Solution

The fourth proportional to 103,692.60, 143,094.21 and 58,370.45 is: 80,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,692.60 : 143,094.21 = 58,370.45 : x
  2. Step 2: Convert to fraction form
    103,692.60/143,094.21 = 58,370.45/x
  3. Step 3: Cross multiply
    103,692.60x = 143,094.21 × 58,370.45
  4. Step 4: Simplify right side
    103,692.60x = 8,352,472,495.73
  5. Step 5: Solve for x
    x = 8,352,472,495.73/103,692.60
  6. Step 6: Final answer
    x = 80,550.32

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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.