Home / 90,383.56-124,728.09-50,096.47

Finding the Fourth Proportional to 90,383.56, 124,728.09 and 50,096.47

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Solution

The fourth proportional to 90,383.56, 124,728.09 and 50,096.47 is: 69,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,383.56 : 124,728.09 = 50,096.47 : x
  2. Step 2: Convert to fraction form
    90,383.56/124,728.09 = 50,096.47/x
  3. Step 3: Cross multiply
    90,383.56x = 124,728.09 × 50,096.47
  4. Step 4: Simplify right side
    90,383.56x = 6,248,437,018.84
  5. Step 5: Solve for x
    x = 6,248,437,018.84/90,383.56
  6. Step 6: Final answer
    x = 69,132.45

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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.