Home / 84,412.73-126,572.32-34,527.87

Finding the Fourth Proportional to 84,412.73, 126,572.32 and 34,527.87

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Solution

The fourth proportional to 84,412.73, 126,572.32 and 34,527.87 is: 51,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,412.73 : 126,572.32 = 34,527.87 : x
  2. Step 2: Convert to fraction form
    84,412.73/126,572.32 = 34,527.87/x
  3. Step 3: Cross multiply
    84,412.73x = 126,572.32 × 34,527.87
  4. Step 4: Simplify right side
    84,412.73x = 4,370,272,653.72
  5. Step 5: Solve for x
    x = 4,370,272,653.72/84,412.73
  6. Step 6: Final answer
    x = 51,772.67

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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.