Home / 78,701.32-118,069.26-23,301.64

Finding the Fourth Proportional to 78,701.32, 118,069.26 and 23,301.64

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Solution

The fourth proportional to 78,701.32, 118,069.26 and 23,301.64 is: 34,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701.32 : 118,069.26 = 23,301.64 : x
  2. Step 2: Convert to fraction form
    78,701.32/118,069.26 = 23,301.64/x
  3. Step 3: Cross multiply
    78,701.32x = 118,069.26 × 23,301.64
  4. Step 4: Simplify right side
    78,701.32x = 2,751,207,391.59
  5. Step 5: Solve for x
    x = 2,751,207,391.59/78,701.32
  6. Step 6: Final answer
    x = 34,957.58

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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.