Home / 90,417.78-124,777.68-52,185.27

Finding the Fourth Proportional to 90,417.78, 124,777.68 and 52,185.27

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Solution

The fourth proportional to 90,417.78, 124,777.68 and 52,185.27 is: 72,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,417.78 : 124,777.68 = 52,185.27 : x
  2. Step 2: Convert to fraction form
    90,417.78/124,777.68 = 52,185.27/x
  3. Step 3: Cross multiply
    90,417.78x = 124,777.68 × 52,185.27
  4. Step 4: Simplify right side
    90,417.78x = 6,511,556,920.77
  5. Step 5: Solve for x
    x = 6,511,556,920.77/90,417.78
  6. Step 6: Final answer
    x = 72,016.33

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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.