Home / 90,332.34-135,497.28-28,002.84

Finding the Fourth Proportional to 90,332.34, 135,497.28 and 28,002.84

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Solution

The fourth proportional to 90,332.34, 135,497.28 and 28,002.84 is: 42,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,332.34 : 135,497.28 = 28,002.84 : x
  2. Step 2: Convert to fraction form
    90,332.34/135,497.28 = 28,002.84/x
  3. Step 3: Cross multiply
    90,332.34x = 135,497.28 × 28,002.84
  4. Step 4: Simplify right side
    90,332.34x = 3,794,308,652.28
  5. Step 5: Solve for x
    x = 3,794,308,652.28/90,332.34
  6. Step 6: Final answer
    x = 42,003.88

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1.5x scale

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.