Home / 118,612.80-177,984.87-48,541.32

Finding the Fourth Proportional to 118,612.80, 177,984.87 and 48,541.32

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Solution

The fourth proportional to 118,612.80, 177,984.87 and 48,541.32 is: 72,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,612.80 : 177,984.87 = 48,541.32 : x
  2. Step 2: Convert to fraction form
    118,612.80/177,984.87 = 48,541.32/x
  3. Step 3: Cross multiply
    118,612.80x = 177,984.87 × 48,541.32
  4. Step 4: Simplify right side
    118,612.80x = 8,639,620,529.83
  5. Step 5: Solve for x
    x = 8,639,620,529.83/118,612.80
  6. Step 6: Final answer
    x = 72,838.85

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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.