Home / 79,192.50-118,763.60-25,872.32

Finding the Fourth Proportional to 79,192.50, 118,763.60 and 25,872.32

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Solution

The fourth proportional to 79,192.50, 118,763.60 and 25,872.32 is: 38,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.50 : 118,763.60 = 25,872.32 : x
  2. Step 2: Convert to fraction form
    79,192.50/118,763.60 = 25,872.32/x
  3. Step 3: Cross multiply
    79,192.50x = 118,763.60 × 25,872.32
  4. Step 4: Simplify right side
    79,192.50x = 3,072,690,302.29
  5. Step 5: Solve for x
    x = 3,072,690,302.29/79,192.50
  6. Step 6: Final answer
    x = 38,800.27

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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.