Home / 55,886.40-83,635.20-51,220.80

Finding the Fourth Proportional to 55,886.40, 83,635.20 and 51,220.80

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Solution

The fourth proportional to 55,886.40, 83,635.20 and 51,220.80 is: 76,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.40 : 83,635.20 = 51,220.80 : x
  2. Step 2: Convert to fraction form
    55,886.40/83,635.20 = 51,220.80/x
  3. Step 3: Cross multiply
    55,886.40x = 83,635.20 × 51,220.80
  4. Step 4: Simplify right side
    55,886.40x = 4,283,861,852.16
  5. Step 5: Solve for x
    x = 4,283,861,852.16/55,886.40
  6. Step 6: Final answer
    x = 76,653.03

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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.