Home / 92,764.08-128,014.56-50,322.72

Finding the Fourth Proportional to 92,764.08, 128,014.56 and 50,322.72

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Solution

The fourth proportional to 92,764.08, 128,014.56 and 50,322.72 is: 69,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.08 : 128,014.56 = 50,322.72 : x
  2. Step 2: Convert to fraction form
    92,764.08/128,014.56 = 50,322.72/x
  3. Step 3: Cross multiply
    92,764.08x = 128,014.56 × 50,322.72
  4. Step 4: Simplify right side
    92,764.08x = 6,442,040,858.80
  5. Step 5: Solve for x
    x = 6,442,040,858.80/92,764.08
  6. Step 6: Final answer
    x = 69,445.42

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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.