Home / 103,977.40-155,966.10-41,692.60

Finding the Fourth Proportional to 103,977.40, 155,966.10 and 41,692.60

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Solution

The fourth proportional to 103,977.40, 155,966.10 and 41,692.60 is: 62,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,977.40 : 155,966.10 = 41,692.60 : x
  2. Step 2: Convert to fraction form
    103,977.40/155,966.10 = 41,692.60/x
  3. Step 3: Cross multiply
    103,977.40x = 155,966.10 × 41,692.60
  4. Step 4: Simplify right side
    103,977.40x = 6,502,632,220.86
  5. Step 5: Solve for x
    x = 6,502,632,220.86/103,977.40
  6. Step 6: Final answer
    x = 62,538.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.