Home / 90,586.49-124,996.03-50,300.60

Finding the Fourth Proportional to 90,586.49, 124,996.03 and 50,300.60

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Solution

The fourth proportional to 90,586.49, 124,996.03 and 50,300.60 is: 69,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.49 : 124,996.03 = 50,300.60 : x
  2. Step 2: Convert to fraction form
    90,586.49/124,996.03 = 50,300.60/x
  3. Step 3: Cross multiply
    90,586.49x = 124,996.03 × 50,300.60
  4. Step 4: Simplify right side
    90,586.49x = 6,287,374,555.89
  5. Step 5: Solve for x
    x = 6,287,374,555.89/90,586.49
  6. Step 6: Final answer
    x = 69,407.42

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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.