Home / 76,157.28-105,087.60-44,331.84

Finding the Fourth Proportional to 76,157.28, 105,087.60 and 44,331.84

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Solution

The fourth proportional to 76,157.28, 105,087.60 and 44,331.84 is: 61,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,157.28 : 105,087.60 = 44,331.84 : x
  2. Step 2: Convert to fraction form
    76,157.28/105,087.60 = 44,331.84/x
  3. Step 3: Cross multiply
    76,157.28x = 105,087.60 × 44,331.84
  4. Step 4: Simplify right side
    76,157.28x = 4,658,726,669.18
  5. Step 5: Solve for x
    x = 4,658,726,669.18/76,157.28
  6. Step 6: Final answer
    x = 61,172.44

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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.