Home / 56,281.20-77,678.44-36,163.24

Finding the Fourth Proportional to 56,281.20, 77,678.44 and 36,163.24

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Solution

The fourth proportional to 56,281.20, 77,678.44 and 36,163.24 is: 49,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.20 : 77,678.44 = 36,163.24 : x
  2. Step 2: Convert to fraction form
    56,281.20/77,678.44 = 36,163.24/x
  3. Step 3: Cross multiply
    56,281.20x = 77,678.44 × 36,163.24
  4. Step 4: Simplify right side
    56,281.20x = 2,809,104,068.55
  5. Step 5: Solve for x
    x = 2,809,104,068.55/56,281.20
  6. Step 6: Final answer
    x = 49,911.94

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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.