Home / 56,728.32-85,517.20-52,922.40

Finding the Fourth Proportional to 56,728.32, 85,517.20 and 52,922.40

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Solution

The fourth proportional to 56,728.32, 85,517.20 and 52,922.40 is: 79,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728.32 : 85,517.20 = 52,922.40 : x
  2. Step 2: Convert to fraction form
    56,728.32/85,517.20 = 52,922.40/x
  3. Step 3: Cross multiply
    56,728.32x = 85,517.20 × 52,922.40
  4. Step 4: Simplify right side
    56,728.32x = 4,525,775,465.28
  5. Step 5: Solve for x
    x = 4,525,775,465.28/56,728.32
  6. Step 6: Final answer
    x = 79,779.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.