Home / 85,827.42-128,575.05-48,273.39

Finding the Fourth Proportional to 85,827.42, 128,575.05 and 48,273.39

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Solution

The fourth proportional to 85,827.42, 128,575.05 and 48,273.39 is: 72,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,827.42 : 128,575.05 = 48,273.39 : x
  2. Step 2: Convert to fraction form
    85,827.42/128,575.05 = 48,273.39/x
  3. Step 3: Cross multiply
    85,827.42x = 128,575.05 × 48,273.39
  4. Step 4: Simplify right side
    85,827.42x = 6,206,753,532.92
  5. Step 5: Solve for x
    x = 6,206,753,532.92/85,827.42
  6. Step 6: Final answer
    x = 72,316.67

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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.