Home / 92,918.82-128,227.26-50,477.65

Finding the Fourth Proportional to 92,918.82, 128,227.26 and 50,477.65

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Solution

The fourth proportional to 92,918.82, 128,227.26 and 50,477.65 is: 69,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918.82 : 128,227.26 = 50,477.65 : x
  2. Step 2: Convert to fraction form
    92,918.82/128,227.26 = 50,477.65/x
  3. Step 3: Cross multiply
    92,918.82x = 128,227.26 × 50,477.65
  4. Step 4: Simplify right side
    92,918.82x = 6,472,610,750.74
  5. Step 5: Solve for x
    x = 6,472,610,750.74/92,918.82
  6. Step 6: Final answer
    x = 69,658.77

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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.