Home / 76,188.33-105,071.04-49,302.81

Finding the Fourth Proportional to 76,188.33, 105,071.04 and 49,302.81

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Solution

The fourth proportional to 76,188.33, 105,071.04 and 49,302.81 is: 67,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,188.33 : 105,071.04 = 49,302.81 : x
  2. Step 2: Convert to fraction form
    76,188.33/105,071.04 = 49,302.81/x
  3. Step 3: Cross multiply
    76,188.33x = 105,071.04 × 49,302.81
  4. Step 4: Simplify right side
    76,188.33x = 5,180,297,521.62
  5. Step 5: Solve for x
    x = 5,180,297,521.62/76,188.33
  6. Step 6: Final answer
    x = 67,993.32

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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.