Home / 70,865.46-105,743.03-63,418.73

Finding the Fourth Proportional to 70,865.46, 105,743.03 and 63,418.73

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Solution

The fourth proportional to 70,865.46, 105,743.03 and 63,418.73 is: 94,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,865.46 : 105,743.03 = 63,418.73 : x
  2. Step 2: Convert to fraction form
    70,865.46/105,743.03 = 63,418.73/x
  3. Step 3: Cross multiply
    70,865.46x = 105,743.03 × 63,418.73
  4. Step 4: Simplify right side
    70,865.46x = 6,706,087,823.14
  5. Step 5: Solve for x
    x = 6,706,087,823.14/70,865.46
  6. Step 6: Final answer
    x = 94,631.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.