Home / 47,792.03-71,678.45-45,420.95

Finding the Fourth Proportional to 47,792.03, 71,678.45 and 45,420.95

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Solution

The fourth proportional to 47,792.03, 71,678.45 and 45,420.95 is: 68,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,792.03 : 71,678.45 = 45,420.95 : x
  2. Step 2: Convert to fraction form
    47,792.03/71,678.45 = 45,420.95/x
  3. Step 3: Cross multiply
    47,792.03x = 71,678.45 × 45,420.95
  4. Step 4: Simplify right side
    47,792.03x = 3,255,703,586.28
  5. Step 5: Solve for x
    x = 3,255,703,586.28/47,792.03
  6. Step 6: Final answer
    x = 68,122.32

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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.