Home / 68,400.64-102,633.36-47,373.04

Finding the Fourth Proportional to 68,400.64, 102,633.36 and 47,373.04

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Solution

The fourth proportional to 68,400.64, 102,633.36 and 47,373.04 is: 71,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,400.64 : 102,633.36 = 47,373.04 : x
  2. Step 2: Convert to fraction form
    68,400.64/102,633.36 = 47,373.04/x
  3. Step 3: Cross multiply
    68,400.64x = 102,633.36 × 47,373.04
  4. Step 4: Simplify right side
    68,400.64x = 4,862,054,268.61
  5. Step 5: Solve for x
    x = 4,862,054,268.61/68,400.64
  6. Step 6: Final answer
    x = 71,082.00

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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.