Home / 74,541.64-111,864.30-48,181

Finding the Fourth Proportional to 74,541.64, 111,864.30 and 48,181

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Solution

The fourth proportional to 74,541.64, 111,864.30 and 48,181 is: 72,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,541.64 : 111,864.30 = 48,181 : x
  2. Step 2: Convert to fraction form
    74,541.64/111,864.30 = 48,181/x
  3. Step 3: Cross multiply
    74,541.64x = 111,864.30 × 48,181
  4. Step 4: Simplify right side
    74,541.64x = 5,389,733,838.30
  5. Step 5: Solve for x
    x = 5,389,733,838.30/74,541.64
  6. Step 6: Final answer
    x = 72,305.01

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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.