Home / 118,692.74-178,038.56-48,572.06

Finding the Fourth Proportional to 118,692.74, 178,038.56 and 48,572.06

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Solution

The fourth proportional to 118,692.74, 178,038.56 and 48,572.06 is: 72,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,692.74 : 178,038.56 = 48,572.06 : x
  2. Step 2: Convert to fraction form
    118,692.74/178,038.56 = 48,572.06/x
  3. Step 3: Cross multiply
    118,692.74x = 178,038.56 × 48,572.06
  4. Step 4: Simplify right side
    118,692.74x = 8,647,699,618.63
  5. Step 5: Solve for x
    x = 8,647,699,618.63/118,692.74
  6. Step 6: Final answer
    x = 72,857.86

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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.