Home / 74,901.36-103,364.66-40,910.83

Finding the Fourth Proportional to 74,901.36, 103,364.66 and 40,910.83

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Solution

The fourth proportional to 74,901.36, 103,364.66 and 40,910.83 is: 56,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,901.36 : 103,364.66 = 40,910.83 : x
  2. Step 2: Convert to fraction form
    74,901.36/103,364.66 = 40,910.83/x
  3. Step 3: Cross multiply
    74,901.36x = 103,364.66 × 40,910.83
  4. Step 4: Simplify right side
    74,901.36x = 4,228,734,033.27
  5. Step 5: Solve for x
    x = 4,228,734,033.27/74,901.36
  6. Step 6: Final answer
    x = 56,457.37

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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.