Home / 56,126.94-77,455.59-30,633.48

Finding the Fourth Proportional to 56,126.94, 77,455.59 and 30,633.48

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Solution

The fourth proportional to 56,126.94, 77,455.59 and 30,633.48 is: 42,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.94 : 77,455.59 = 30,633.48 : x
  2. Step 2: Convert to fraction form
    56,126.94/77,455.59 = 30,633.48/x
  3. Step 3: Cross multiply
    56,126.94x = 77,455.59 × 30,633.48
  4. Step 4: Simplify right side
    56,126.94x = 2,372,734,267.15
  5. Step 5: Solve for x
    x = 2,372,734,267.15/56,126.94
  6. Step 6: Final answer
    x = 42,274.43

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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.