Home / 56,012.66-77,245.54-40,881.35

Finding the Fourth Proportional to 56,012.66, 77,245.54 and 40,881.35

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Solution

The fourth proportional to 56,012.66, 77,245.54 and 40,881.35 is: 56,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.66 : 77,245.54 = 40,881.35 : x
  2. Step 2: Convert to fraction form
    56,012.66/77,245.54 = 40,881.35/x
  3. Step 3: Cross multiply
    56,012.66x = 77,245.54 × 40,881.35
  4. Step 4: Simplify right side
    56,012.66x = 3,157,901,956.68
  5. Step 5: Solve for x
    x = 3,157,901,956.68/56,012.66
  6. Step 6: Final answer
    x = 56,378.36

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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.