Home / 56,557.31-77,996.59-36,378.59

Finding the Fourth Proportional to 56,557.31, 77,996.59 and 36,378.59

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Solution

The fourth proportional to 56,557.31, 77,996.59 and 36,378.59 is: 50,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.31 : 77,996.59 = 36,378.59 : x
  2. Step 2: Convert to fraction form
    56,557.31/77,996.59 = 36,378.59/x
  3. Step 3: Cross multiply
    56,557.31x = 77,996.59 × 36,378.59
  4. Step 4: Simplify right side
    56,557.31x = 2,837,405,969.01
  5. Step 5: Solve for x
    x = 2,837,405,969.01/56,557.31
  6. Step 6: Final answer
    x = 50,168.69

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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.