Home / 55,779.74-76,747.60-48,201.78

Finding the Fourth Proportional to 55,779.74, 76,747.60 and 48,201.78

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Solution

The fourth proportional to 55,779.74, 76,747.60 and 48,201.78 is: 66,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.74 : 76,747.60 = 48,201.78 : x
  2. Step 2: Convert to fraction form
    55,779.74/76,747.60 = 48,201.78/x
  3. Step 3: Cross multiply
    55,779.74x = 76,747.60 × 48,201.78
  4. Step 4: Simplify right side
    55,779.74x = 3,699,371,278.78
  5. Step 5: Solve for x
    x = 3,699,371,278.78/55,779.74
  6. Step 6: Final answer
    x = 66,321.06

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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.