Home / 72,628.26-100,246.05-40,807.41

Finding the Fourth Proportional to 72,628.26, 100,246.05 and 40,807.41

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Solution

The fourth proportional to 72,628.26, 100,246.05 and 40,807.41 is: 56,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628.26 : 100,246.05 = 40,807.41 : x
  2. Step 2: Convert to fraction form
    72,628.26/100,246.05 = 40,807.41/x
  3. Step 3: Cross multiply
    72,628.26x = 100,246.05 × 40,807.41
  4. Step 4: Simplify right side
    72,628.26x = 4,090,781,663.23
  5. Step 5: Solve for x
    x = 4,090,781,663.23/72,628.26
  6. Step 6: Final answer
    x = 56,324.93

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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.