Home / 74,489.19-102,792.92-42,226.80

Finding the Fourth Proportional to 74,489.19, 102,792.92 and 42,226.80

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Solution

The fourth proportional to 74,489.19, 102,792.92 and 42,226.80 is: 58,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,489.19 : 102,792.92 = 42,226.80 : x
  2. Step 2: Convert to fraction form
    74,489.19/102,792.92 = 42,226.80/x
  3. Step 3: Cross multiply
    74,489.19x = 102,792.92 × 42,226.80
  4. Step 4: Simplify right side
    74,489.19x = 4,340,615,915.91
  5. Step 5: Solve for x
    x = 4,340,615,915.91/74,489.19
  6. Step 6: Final answer
    x = 58,271.76

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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.