Home / 55,723.63-76,878.42-36,613.70

Finding the Fourth Proportional to 55,723.63, 76,878.42 and 36,613.70

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Solution

The fourth proportional to 55,723.63, 76,878.42 and 36,613.70 is: 50,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723.63 : 76,878.42 = 36,613.70 : x
  2. Step 2: Convert to fraction form
    55,723.63/76,878.42 = 36,613.70/x
  3. Step 3: Cross multiply
    55,723.63x = 76,878.42 × 36,613.70
  4. Step 4: Simplify right side
    55,723.63x = 2,814,803,265.66
  5. Step 5: Solve for x
    x = 2,814,803,265.66/55,723.63
  6. Step 6: Final answer
    x = 50,513.64

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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.