Home / 74,822.39-103,257.09-40,833.07

Finding the Fourth Proportional to 74,822.39, 103,257.09 and 40,833.07

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Solution

The fourth proportional to 74,822.39, 103,257.09 and 40,833.07 is: 56,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,822.39 : 103,257.09 = 40,833.07 : x
  2. Step 2: Convert to fraction form
    74,822.39/103,257.09 = 40,833.07/x
  3. Step 3: Cross multiply
    74,822.39x = 103,257.09 × 40,833.07
  4. Step 4: Simplify right side
    74,822.39x = 4,216,303,779.80
  5. Step 5: Solve for x
    x = 4,216,303,779.80/74,822.39
  6. Step 6: Final answer
    x = 56,350.83

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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.