Home / 74,792.26-103,214.58-40,800.76

Finding the Fourth Proportional to 74,792.26, 103,214.58 and 40,800.76

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Solution

The fourth proportional to 74,792.26, 103,214.58 and 40,800.76 is: 56,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,792.26 : 103,214.58 = 40,800.76 : x
  2. Step 2: Convert to fraction form
    74,792.26/103,214.58 = 40,800.76/x
  3. Step 3: Cross multiply
    74,792.26x = 103,214.58 × 40,800.76
  4. Step 4: Simplify right side
    74,792.26x = 4,211,233,307.08
  5. Step 5: Solve for x
    x = 4,211,233,307.08/74,792.26
  6. Step 6: Final answer
    x = 56,305.74

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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.