Home / 75,457.50-104,218.83-50,263.26

Finding the Fourth Proportional to 75,457.50, 104,218.83 and 50,263.26

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Solution

The fourth proportional to 75,457.50, 104,218.83 and 50,263.26 is: 69,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,457.50 : 104,218.83 = 50,263.26 : x
  2. Step 2: Convert to fraction form
    75,457.50/104,218.83 = 50,263.26/x
  3. Step 3: Cross multiply
    75,457.50x = 104,218.83 × 50,263.26
  4. Step 4: Simplify right side
    75,457.50x = 5,238,378,149.19
  5. Step 5: Solve for x
    x = 5,238,378,149.19/75,457.50
  6. Step 6: Final answer
    x = 69,421.57

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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.