Home / 76,440.45-105,494.46-44,619.60

Finding the Fourth Proportional to 76,440.45, 105,494.46 and 44,619.60

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Solution

The fourth proportional to 76,440.45, 105,494.46 and 44,619.60 is: 61,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,440.45 : 105,494.46 = 44,619.60 : x
  2. Step 2: Convert to fraction form
    76,440.45/105,494.46 = 44,619.60/x
  3. Step 3: Cross multiply
    76,440.45x = 105,494.46 × 44,619.60
  4. Step 4: Simplify right side
    76,440.45x = 4,707,120,607.42
  5. Step 5: Solve for x
    x = 4,707,120,607.42/76,440.45
  6. Step 6: Final answer
    x = 61,578.92

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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.