Home / 84,890.81-127,355.05-32,300.75

Finding the Fourth Proportional to 84,890.81, 127,355.05 and 32,300.75

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Solution

The fourth proportional to 84,890.81, 127,355.05 and 32,300.75 is: 48,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890.81 : 127,355.05 = 32,300.75 : x
  2. Step 2: Convert to fraction form
    84,890.81/127,355.05 = 32,300.75/x
  3. Step 3: Cross multiply
    84,890.81x = 127,355.05 × 32,300.75
  4. Step 4: Simplify right side
    84,890.81x = 4,113,663,631.29
  5. Step 5: Solve for x
    x = 4,113,663,631.29/84,890.81
  6. Step 6: Final answer
    x = 48,458.29

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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.