Home / 76,794.04-105,989.34-60,999.04

Finding the Fourth Proportional to 76,794.04, 105,989.34 and 60,999.04

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Solution

The fourth proportional to 76,794.04, 105,989.34 and 60,999.04 is: 84,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,794.04 : 105,989.34 = 60,999.04 : x
  2. Step 2: Convert to fraction form
    76,794.04/105,989.34 = 60,999.04/x
  3. Step 3: Cross multiply
    76,794.04x = 105,989.34 × 60,999.04
  4. Step 4: Simplify right side
    76,794.04x = 6,465,247,990.23
  5. Step 5: Solve for x
    x = 6,465,247,990.23/76,794.04
  6. Step 6: Final answer
    x = 84,189.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.