Home / 56,413-77,827.80-36,266.68

Finding the Fourth Proportional to 56,413, 77,827.80 and 36,266.68

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Solution

The fourth proportional to 56,413, 77,827.80 and 36,266.68 is: 50,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413 : 77,827.80 = 36,266.68 : x
  2. Step 2: Convert to fraction form
    56,413/77,827.80 = 36,266.68/x
  3. Step 3: Cross multiply
    56,413x = 77,827.80 × 36,266.68
  4. Step 4: Simplify right side
    56,413x = 2,822,555,917.70
  5. Step 5: Solve for x
    x = 2,822,555,917.70/56,413
  6. Step 6: Final answer
    x = 50,033.79

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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.