Home / 74,867.06-103,314.85-40,874.22

Finding the Fourth Proportional to 74,867.06, 103,314.85 and 40,874.22

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Solution

The fourth proportional to 74,867.06, 103,314.85 and 40,874.22 is: 56,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.06 : 103,314.85 = 40,874.22 : x
  2. Step 2: Convert to fraction form
    74,867.06/103,314.85 = 40,874.22/x
  3. Step 3: Cross multiply
    74,867.06x = 103,314.85 × 40,874.22
  4. Step 4: Simplify right side
    74,867.06x = 4,222,913,805.98
  5. Step 5: Solve for x
    x = 4,222,913,805.98/74,867.06
  6. Step 6: Final answer
    x = 56,405.50

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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.