Home / 71,140.25-98,183.39-40,925.03

Finding the Fourth Proportional to 71,140.25, 98,183.39 and 40,925.03

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Solution

The fourth proportional to 71,140.25, 98,183.39 and 40,925.03 is: 56,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,140.25 : 98,183.39 = 40,925.03 : x
  2. Step 2: Convert to fraction form
    71,140.25/98,183.39 = 40,925.03/x
  3. Step 3: Cross multiply
    71,140.25x = 98,183.39 × 40,925.03
  4. Step 4: Simplify right side
    71,140.25x = 4,018,157,485.71
  5. Step 5: Solve for x
    x = 4,018,157,485.71/71,140.25
  6. Step 6: Final answer
    x = 56,482.19

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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.