Home / 76,219.52-105,195.96-44,407.28

Finding the Fourth Proportional to 76,219.52, 105,195.96 and 44,407.28

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Solution

The fourth proportional to 76,219.52, 105,195.96 and 44,407.28 is: 61,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,219.52 : 105,195.96 = 44,407.28 : x
  2. Step 2: Convert to fraction form
    76,219.52/105,195.96 = 44,407.28/x
  3. Step 3: Cross multiply
    76,219.52x = 105,195.96 × 44,407.28
  4. Step 4: Simplify right side
    76,219.52x = 4,671,466,450.59
  5. Step 5: Solve for x
    x = 4,671,466,450.59/76,219.52
  6. Step 6: Final answer
    x = 61,289.63

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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.