Home / 104,485.04-156,726.84-42,154.64

Finding the Fourth Proportional to 104,485.04, 156,726.84 and 42,154.64

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Solution

The fourth proportional to 104,485.04, 156,726.84 and 42,154.64 is: 63,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,485.04 : 156,726.84 = 42,154.64 : x
  2. Step 2: Convert to fraction form
    104,485.04/156,726.84 = 42,154.64/x
  3. Step 3: Cross multiply
    104,485.04x = 156,726.84 × 42,154.64
  4. Step 4: Simplify right side
    104,485.04x = 6,606,763,518.54
  5. Step 5: Solve for x
    x = 6,606,763,518.54/104,485.04
  6. Step 6: Final answer
    x = 63,231.67

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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.