Home / 52,285.36-78,419.76-43,457.38

Finding the Fourth Proportional to 52,285.36, 78,419.76 and 43,457.38

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Solution

The fourth proportional to 52,285.36, 78,419.76 and 43,457.38 is: 65,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.36 : 78,419.76 = 43,457.38 : x
  2. Step 2: Convert to fraction form
    52,285.36/78,419.76 = 43,457.38/x
  3. Step 3: Cross multiply
    52,285.36x = 78,419.76 × 43,457.38
  4. Step 4: Simplify right side
    52,285.36x = 3,407,917,309.83
  5. Step 5: Solve for x
    x = 3,407,917,309.83/52,285.36
  6. Step 6: Final answer
    x = 65,179.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.