Home / 74,823.60-103,255.92-40,832.76

Finding the Fourth Proportional to 74,823.60, 103,255.92 and 40,832.76

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Solution

The fourth proportional to 74,823.60, 103,255.92 and 40,832.76 is: 56,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.60 : 103,255.92 = 40,832.76 : x
  2. Step 2: Convert to fraction form
    74,823.60/103,255.92 = 40,832.76/x
  3. Step 3: Cross multiply
    74,823.60x = 103,255.92 × 40,832.76
  4. Step 4: Simplify right side
    74,823.60x = 4,216,224,199.94
  5. Step 5: Solve for x
    x = 4,216,224,199.94/74,823.60
  6. Step 6: Final answer
    x = 56,348.86

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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.