Home / 104,621.92-156,981.54-48,430.60

Finding the Fourth Proportional to 104,621.92, 156,981.54 and 48,430.60

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Solution

The fourth proportional to 104,621.92, 156,981.54 and 48,430.60 is: 72,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.92 : 156,981.54 = 48,430.60 : x
  2. Step 2: Convert to fraction form
    104,621.92/156,981.54 = 48,430.60/x
  3. Step 3: Cross multiply
    104,621.92x = 156,981.54 × 48,430.60
  4. Step 4: Simplify right side
    104,621.92x = 7,602,710,171.12
  5. Step 5: Solve for x
    x = 7,602,710,171.12/104,621.92
  6. Step 6: Final answer
    x = 72,668.43

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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.