Home / 56,308.16-77,705.26-30,814.54

Finding the Fourth Proportional to 56,308.16, 77,705.26 and 30,814.54

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Solution

The fourth proportional to 56,308.16, 77,705.26 and 30,814.54 is: 42,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,308.16 : 77,705.26 = 30,814.54 : x
  2. Step 2: Convert to fraction form
    56,308.16/77,705.26 = 30,814.54/x
  3. Step 3: Cross multiply
    56,308.16x = 77,705.26 × 30,814.54
  4. Step 4: Simplify right side
    56,308.16x = 2,394,452,008.27
  5. Step 5: Solve for x
    x = 2,394,452,008.27/56,308.16
  6. Step 6: Final answer
    x = 42,524.07

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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.