Home / 103,795.10-155,692.65-83,059.10

Finding the Fourth Proportional to 103,795.10, 155,692.65 and 83,059.10

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Solution

The fourth proportional to 103,795.10, 155,692.65 and 83,059.10 is: 124,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,795.10 : 155,692.65 = 83,059.10 : x
  2. Step 2: Convert to fraction form
    103,795.10/155,692.65 = 83,059.10/x
  3. Step 3: Cross multiply
    103,795.10x = 155,692.65 × 83,059.10
  4. Step 4: Simplify right side
    103,795.10x = 12,931,691,385.62
  5. Step 5: Solve for x
    x = 12,931,691,385.62/103,795.10
  6. Step 6: Final answer
    x = 124,588.65

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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.