Home / 76,246.44-105,220.53-42,255.87

Finding the Fourth Proportional to 76,246.44, 105,220.53 and 42,255.87

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Solution

The fourth proportional to 76,246.44, 105,220.53 and 42,255.87 is: 58,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,246.44 : 105,220.53 = 42,255.87 : x
  2. Step 2: Convert to fraction form
    76,246.44/105,220.53 = 42,255.87/x
  3. Step 3: Cross multiply
    76,246.44x = 105,220.53 × 42,255.87
  4. Step 4: Simplify right side
    76,246.44x = 4,446,185,037.01
  5. Step 5: Solve for x
    x = 4,446,185,037.01/76,246.44
  6. Step 6: Final answer
    x = 58,313.35

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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.