Home / 118,541.20-177,725.40-48,384.40

Finding the Fourth Proportional to 118,541.20, 177,725.40 and 48,384.40

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Solution

The fourth proportional to 118,541.20, 177,725.40 and 48,384.40 is: 72,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,541.20 : 177,725.40 = 48,384.40 : x
  2. Step 2: Convert to fraction form
    118,541.20/177,725.40 = 48,384.40/x
  3. Step 3: Cross multiply
    118,541.20x = 177,725.40 × 48,384.40
  4. Step 4: Simplify right side
    118,541.20x = 8,599,136,843.76
  5. Step 5: Solve for x
    x = 8,599,136,843.76/118,541.20
  6. Step 6: Final answer
    x = 72,541.33

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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.