Home / 76,819.20-106,014.60-44,990.52

Finding the Fourth Proportional to 76,819.20, 106,014.60 and 44,990.52

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Solution

The fourth proportional to 76,819.20, 106,014.60 and 44,990.52 is: 62,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,819.20 : 106,014.60 = 44,990.52 : x
  2. Step 2: Convert to fraction form
    76,819.20/106,014.60 = 44,990.52/x
  3. Step 3: Cross multiply
    76,819.20x = 106,014.60 × 44,990.52
  4. Step 4: Simplify right side
    76,819.20x = 4,769,651,981.59
  5. Step 5: Solve for x
    x = 4,769,651,981.59/76,819.20
  6. Step 6: Final answer
    x = 62,089.32

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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.