Home / 56,008.78-77,249.43-38,073.56

Finding the Fourth Proportional to 56,008.78, 77,249.43 and 38,073.56

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Solution

The fourth proportional to 56,008.78, 77,249.43 and 38,073.56 is: 52,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.78 : 77,249.43 = 38,073.56 : x
  2. Step 2: Convert to fraction form
    56,008.78/77,249.43 = 38,073.56/x
  3. Step 3: Cross multiply
    56,008.78x = 77,249.43 × 38,073.56
  4. Step 4: Simplify right side
    56,008.78x = 2,941,160,421.82
  5. Step 5: Solve for x
    x = 2,941,160,421.82/56,008.78
  6. Step 6: Final answer
    x = 52,512.49

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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.