Home / 91,923.93-126,858.30-51,636.81

Finding the Fourth Proportional to 91,923.93, 126,858.30 and 51,636.81

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Solution

The fourth proportional to 91,923.93, 126,858.30 and 51,636.81 is: 71,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,923.93 : 126,858.30 = 51,636.81 : x
  2. Step 2: Convert to fraction form
    91,923.93/126,858.30 = 51,636.81/x
  3. Step 3: Cross multiply
    91,923.93x = 126,858.30 × 51,636.81
  4. Step 4: Simplify right side
    91,923.93x = 6,550,557,934.02
  5. Step 5: Solve for x
    x = 6,550,557,934.02/91,923.93
  6. Step 6: Final answer
    x = 71,260.64

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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.