Home / 104,487.04-156,729.84-42,156.64

Finding the Fourth Proportional to 104,487.04, 156,729.84 and 42,156.64

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Solution

The fourth proportional to 104,487.04, 156,729.84 and 42,156.64 is: 63,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,487.04 : 156,729.84 = 42,156.64 : x
  2. Step 2: Convert to fraction form
    104,487.04/156,729.84 = 42,156.64/x
  3. Step 3: Cross multiply
    104,487.04x = 156,729.84 × 42,156.64
  4. Step 4: Simplify right side
    104,487.04x = 6,607,203,442.14
  5. Step 5: Solve for x
    x = 6,607,203,442.14/104,487.04
  6. Step 6: Final answer
    x = 63,234.67

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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.