Home / 90,826.49-125,288.75-54,518.27

Finding the Fourth Proportional to 90,826.49, 125,288.75 and 54,518.27

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Solution

The fourth proportional to 90,826.49, 125,288.75 and 54,518.27 is: 75,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,826.49 : 125,288.75 = 54,518.27 : x
  2. Step 2: Convert to fraction form
    90,826.49/125,288.75 = 54,518.27/x
  3. Step 3: Cross multiply
    90,826.49x = 125,288.75 × 54,518.27
  4. Step 4: Simplify right side
    90,826.49x = 6,830,525,627.87
  5. Step 5: Solve for x
    x = 6,830,525,627.87/90,826.49
  6. Step 6: Final answer
    x = 75,204.11

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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.