Home / 90,001.40-135,099.30-50,635.40

Finding the Fourth Proportional to 90,001.40, 135,099.30 and 50,635.40

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Solution

The fourth proportional to 90,001.40, 135,099.30 and 50,635.40 is: 76,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.40 : 135,099.30 = 50,635.40 : x
  2. Step 2: Convert to fraction form
    90,001.40/135,099.30 = 50,635.40/x
  3. Step 3: Cross multiply
    90,001.40x = 135,099.30 × 50,635.40
  4. Step 4: Simplify right side
    90,001.40x = 6,840,807,095.22
  5. Step 5: Solve for x
    x = 6,840,807,095.22/90,001.40
  6. Step 6: Final answer
    x = 76,007.79

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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.