Home / 55,906.10-83,713.35-53,281.70

Finding the Fourth Proportional to 55,906.10, 83,713.35 and 53,281.70

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Solution

The fourth proportional to 55,906.10, 83,713.35 and 53,281.70 is: 79,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,906.10 : 83,713.35 = 53,281.70 : x
  2. Step 2: Convert to fraction form
    55,906.10/83,713.35 = 53,281.70/x
  3. Step 3: Cross multiply
    55,906.10x = 83,713.35 × 53,281.70
  4. Step 4: Simplify right side
    55,906.10x = 4,460,389,600.70
  5. Step 5: Solve for x
    x = 4,460,389,600.70/55,906.10
  6. Step 6: Final answer
    x = 79,783.59

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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.