Home / 91,792.08-126,674.28-51,514.56

Finding the Fourth Proportional to 91,792.08, 126,674.28 and 51,514.56

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Solution

The fourth proportional to 91,792.08, 126,674.28 and 51,514.56 is: 71,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,792.08 : 126,674.28 = 51,514.56 : x
  2. Step 2: Convert to fraction form
    91,792.08/126,674.28 = 51,514.56/x
  3. Step 3: Cross multiply
    91,792.08x = 126,674.28 × 51,514.56
  4. Step 4: Simplify right side
    91,792.08x = 6,525,569,797.52
  5. Step 5: Solve for x
    x = 6,525,569,797.52/91,792.08
  6. Step 6: Final answer
    x = 71,090.77

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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.