Home / 92,918.07-128,226.31-50,476.23

Finding the Fourth Proportional to 92,918.07, 128,226.31 and 50,476.23

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Solution

The fourth proportional to 92,918.07, 128,226.31 and 50,476.23 is: 69,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918.07 : 128,226.31 = 50,476.23 : x
  2. Step 2: Convert to fraction form
    92,918.07/128,226.31 = 50,476.23/x
  3. Step 3: Cross multiply
    92,918.07x = 128,226.31 × 50,476.23
  4. Step 4: Simplify right side
    92,918.07x = 6,472,380,589.42
  5. Step 5: Solve for x
    x = 6,472,380,589.42/92,918.07
  6. Step 6: Final answer
    x = 69,656.86

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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.