Home / 76,946.09-106,101.90-50,038.70

Finding the Fourth Proportional to 76,946.09, 106,101.90 and 50,038.70

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Solution

The fourth proportional to 76,946.09, 106,101.90 and 50,038.70 is: 68,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,946.09 : 106,101.90 = 50,038.70 : x
  2. Step 2: Convert to fraction form
    76,946.09/106,101.90 = 50,038.70/x
  3. Step 3: Cross multiply
    76,946.09x = 106,101.90 × 50,038.70
  4. Step 4: Simplify right side
    76,946.09x = 5,309,201,143.53
  5. Step 5: Solve for x
    x = 5,309,201,143.53/76,946.09
  6. Step 6: Final answer
    x = 68,998.97

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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.