Home / 104,580.80-156,936-42,251.84

Finding the Fourth Proportional to 104,580.80, 156,936 and 42,251.84

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Solution

The fourth proportional to 104,580.80, 156,936 and 42,251.84 is: 63,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,580.80 : 156,936 = 42,251.84 : x
  2. Step 2: Convert to fraction form
    104,580.80/156,936 = 42,251.84/x
  3. Step 3: Cross multiply
    104,580.80x = 156,936 × 42,251.84
  4. Step 4: Simplify right side
    104,580.80x = 6,630,834,762.24
  5. Step 5: Solve for x
    x = 6,630,834,762.24/104,580.80
  6. Step 6: Final answer
    x = 63,403.94

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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.