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Finding the Fourth Proportional to 84,611.56, 116,763.96 and 46,885.81

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Solution

The fourth proportional to 84,611.56, 116,763.96 and 46,885.81 is: 64,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,611.56 : 116,763.96 = 46,885.81 : x
  2. Step 2: Convert to fraction form
    84,611.56/116,763.96 = 46,885.81/x
  3. Step 3: Cross multiply
    84,611.56x = 116,763.96 × 46,885.81
  4. Step 4: Simplify right side
    84,611.56x = 5,474,572,843.41
  5. Step 5: Solve for x
    x = 5,474,572,843.41/84,611.56
  6. Step 6: Final answer
    x = 64,702.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.