Home / 92,311.04-127,389.36-49,869.58

Finding the Fourth Proportional to 92,311.04, 127,389.36 and 49,869.58

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Solution

The fourth proportional to 92,311.04, 127,389.36 and 49,869.58 is: 68,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,311.04 : 127,389.36 = 49,869.58 : x
  2. Step 2: Convert to fraction form
    92,311.04/127,389.36 = 49,869.58/x
  3. Step 3: Cross multiply
    92,311.04x = 127,389.36 × 49,869.58
  4. Step 4: Simplify right side
    92,311.04x = 6,352,853,879.67
  5. Step 5: Solve for x
    x = 6,352,853,879.67/92,311.04
  6. Step 6: Final answer
    x = 68,820.09

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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.