Home / 78,999.48-118,505.52-26,409.24

Finding the Fourth Proportional to 78,999.48, 118,505.52 and 26,409.24

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Solution

The fourth proportional to 78,999.48, 118,505.52 and 26,409.24 is: 39,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,999.48 : 118,505.52 = 26,409.24 : x
  2. Step 2: Convert to fraction form
    78,999.48/118,505.52 = 26,409.24/x
  3. Step 3: Cross multiply
    78,999.48x = 118,505.52 × 26,409.24
  4. Step 4: Simplify right side
    78,999.48x = 3,129,640,719.00
  5. Step 5: Solve for x
    x = 3,129,640,719.00/78,999.48
  6. Step 6: Final answer
    x = 39,615.97

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1.5x scale

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.