Home / 90,527.54-135,789.24-53,323.61

Finding the Fourth Proportional to 90,527.54, 135,789.24 and 53,323.61

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Solution

The fourth proportional to 90,527.54, 135,789.24 and 53,323.61 is: 79,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.54 : 135,789.24 = 53,323.61 : x
  2. Step 2: Convert to fraction form
    90,527.54/135,789.24 = 53,323.61/x
  3. Step 3: Cross multiply
    90,527.54x = 135,789.24 × 53,323.61
  4. Step 4: Simplify right side
    90,527.54x = 7,240,772,475.96
  5. Step 5: Solve for x
    x = 7,240,772,475.96/90,527.54
  6. Step 6: Final answer
    x = 79,984.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.