Home / 92,817.27-128,077.20-51,975.70

Finding the Fourth Proportional to 92,817.27, 128,077.20 and 51,975.70

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Solution

The fourth proportional to 92,817.27, 128,077.20 and 51,975.70 is: 71,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.27 : 128,077.20 = 51,975.70 : x
  2. Step 2: Convert to fraction form
    92,817.27/128,077.20 = 51,975.70/x
  3. Step 3: Cross multiply
    92,817.27x = 128,077.20 × 51,975.70
  4. Step 4: Simplify right side
    92,817.27x = 6,656,902,164.06
  5. Step 5: Solve for x
    x = 6,656,902,164.06/92,817.27
  6. Step 6: Final answer
    x = 71,720.51

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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.