Home / 74,884.02-112,459.86-71,873.90

Finding the Fourth Proportional to 74,884.02, 112,459.86 and 71,873.90

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Solution

The fourth proportional to 74,884.02, 112,459.86 and 71,873.90 is: 107,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.02 : 112,459.86 = 71,873.90 : x
  2. Step 2: Convert to fraction form
    74,884.02/112,459.86 = 71,873.90/x
  3. Step 3: Cross multiply
    74,884.02x = 112,459.86 × 71,873.90
  4. Step 4: Simplify right side
    74,884.02x = 8,082,928,731.65
  5. Step 5: Solve for x
    x = 8,082,928,731.65/74,884.02
  6. Step 6: Final answer
    x = 107,939.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.