Home / 90,076.68-124,313.49-52,348.50

Finding the Fourth Proportional to 90,076.68, 124,313.49 and 52,348.50

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Solution

The fourth proportional to 90,076.68, 124,313.49 and 52,348.50 is: 72,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,076.68 : 124,313.49 = 52,348.50 : x
  2. Step 2: Convert to fraction form
    90,076.68/124,313.49 = 52,348.50/x
  3. Step 3: Cross multiply
    90,076.68x = 124,313.49 × 52,348.50
  4. Step 4: Simplify right side
    90,076.68x = 6,507,624,731.27
  5. Step 5: Solve for x
    x = 6,507,624,731.27/90,076.68
  6. Step 6: Final answer
    x = 72,245.39

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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.