Home / 56,922.10-85,383.15-30,678.10

Finding the Fourth Proportional to 56,922.10, 85,383.15 and 30,678.10

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Solution

The fourth proportional to 56,922.10, 85,383.15 and 30,678.10 is: 46,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,922.10 : 85,383.15 = 30,678.10 : x
  2. Step 2: Convert to fraction form
    56,922.10/85,383.15 = 30,678.10/x
  3. Step 3: Cross multiply
    56,922.10x = 85,383.15 × 30,678.10
  4. Step 4: Simplify right side
    56,922.10x = 2,619,392,814.02
  5. Step 5: Solve for x
    x = 2,619,392,814.02/56,922.10
  6. Step 6: Final answer
    x = 46,017.15

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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.