Home / 78,939.36-118,409.04-23,535.36

Finding the Fourth Proportional to 78,939.36, 118,409.04 and 23,535.36

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Solution

The fourth proportional to 78,939.36, 118,409.04 and 23,535.36 is: 35,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,939.36 : 118,409.04 = 23,535.36 : x
  2. Step 2: Convert to fraction form
    78,939.36/118,409.04 = 23,535.36/x
  3. Step 3: Cross multiply
    78,939.36x = 118,409.04 × 23,535.36
  4. Step 4: Simplify right side
    78,939.36x = 2,786,799,383.65
  5. Step 5: Solve for x
    x = 2,786,799,383.65/78,939.36
  6. Step 6: Final answer
    x = 35,303.04

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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.