Home / 91,276.18-125,958.67-49,881.54

Finding the Fourth Proportional to 91,276.18, 125,958.67 and 49,881.54

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Solution

The fourth proportional to 91,276.18, 125,958.67 and 49,881.54 is: 68,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,276.18 : 125,958.67 = 49,881.54 : x
  2. Step 2: Convert to fraction form
    91,276.18/125,958.67 = 49,881.54/x
  3. Step 3: Cross multiply
    91,276.18x = 125,958.67 × 49,881.54
  4. Step 4: Simplify right side
    91,276.18x = 6,283,012,783.59
  5. Step 5: Solve for x
    x = 6,283,012,783.59/91,276.18
  6. Step 6: Final answer
    x = 68,835.19

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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.