Home / 80,854.58-121,225.44-35,851.34

Finding the Fourth Proportional to 80,854.58, 121,225.44 and 35,851.34

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Solution

The fourth proportional to 80,854.58, 121,225.44 and 35,851.34 is: 53,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.58 : 121,225.44 = 35,851.34 : x
  2. Step 2: Convert to fraction form
    80,854.58/121,225.44 = 35,851.34/x
  3. Step 3: Cross multiply
    80,854.58x = 121,225.44 × 35,851.34
  4. Step 4: Simplify right side
    80,854.58x = 4,346,094,466.09
  5. Step 5: Solve for x
    x = 4,346,094,466.09/80,854.58
  6. Step 6: Final answer
    x = 53,751.99

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1.5x scale

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.