Home / 90,384.60-135,565.32-23,829.96

Finding the Fourth Proportional to 90,384.60, 135,565.32 and 23,829.96

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Solution

The fourth proportional to 90,384.60, 135,565.32 and 23,829.96 is: 35,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.60 : 135,565.32 = 23,829.96 : x
  2. Step 2: Convert to fraction form
    90,384.60/135,565.32 = 23,829.96/x
  3. Step 3: Cross multiply
    90,384.60x = 135,565.32 × 23,829.96
  4. Step 4: Simplify right side
    90,384.60x = 3,230,516,152.99
  5. Step 5: Solve for x
    x = 3,230,516,152.99/90,384.60
  6. Step 6: Final answer
    x = 35,741.89

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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.