Home / 92,384.37-127,490.04-49,942.80

Finding the Fourth Proportional to 92,384.37, 127,490.04 and 49,942.80

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Solution

The fourth proportional to 92,384.37, 127,490.04 and 49,942.80 is: 68,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,384.37 : 127,490.04 = 49,942.80 : x
  2. Step 2: Convert to fraction form
    92,384.37/127,490.04 = 49,942.80/x
  3. Step 3: Cross multiply
    92,384.37x = 127,490.04 × 49,942.80
  4. Step 4: Simplify right side
    92,384.37x = 6,367,209,569.71
  5. Step 5: Solve for x
    x = 6,367,209,569.71/92,384.37
  6. Step 6: Final answer
    x = 68,920.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.