Home / 92,750.04-127,855.49-72,571.86

Finding the Fourth Proportional to 92,750.04, 127,855.49 and 72,571.86

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Solution

The fourth proportional to 92,750.04, 127,855.49 and 72,571.86 is: 100,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,750.04 : 127,855.49 = 72,571.86 : x
  2. Step 2: Convert to fraction form
    92,750.04/127,855.49 = 72,571.86/x
  3. Step 3: Cross multiply
    92,750.04x = 127,855.49 × 72,571.86
  4. Step 4: Simplify right side
    92,750.04x = 9,278,710,357.65
  5. Step 5: Solve for x
    x = 9,278,710,357.65/92,750.04
  6. Step 6: Final answer
    x = 100,039.96

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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.