Home / 90,842.58-125,368.65-50,556.22

Finding the Fourth Proportional to 90,842.58, 125,368.65 and 50,556.22

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Solution

The fourth proportional to 90,842.58, 125,368.65 and 50,556.22 is: 69,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,842.58 : 125,368.65 = 50,556.22 : x
  2. Step 2: Convert to fraction form
    90,842.58/125,368.65 = 50,556.22/x
  3. Step 3: Cross multiply
    90,842.58x = 125,368.65 × 50,556.22
  4. Step 4: Simplify right side
    90,842.58x = 6,338,165,050.50
  5. Step 5: Solve for x
    x = 6,338,165,050.50/90,842.58
  6. Step 6: Final answer
    x = 69,770.86

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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.