Home / 91,925.55-126,857.31-51,639.33

Finding the Fourth Proportional to 91,925.55, 126,857.31 and 51,639.33

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Solution

The fourth proportional to 91,925.55, 126,857.31 and 51,639.33 is: 71,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,925.55 : 126,857.31 = 51,639.33 : x
  2. Step 2: Convert to fraction form
    91,925.55/126,857.31 = 51,639.33/x
  3. Step 3: Cross multiply
    91,925.55x = 126,857.31 × 51,639.33
  4. Step 4: Simplify right side
    91,925.55x = 6,550,826,494.00
  5. Step 5: Solve for x
    x = 6,550,826,494.00/91,925.55
  6. Step 6: Final answer
    x = 71,262.30

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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.