Home / 111,836.16-167,784.21-48,669.87

Finding the Fourth Proportional to 111,836.16, 167,784.21 and 48,669.87

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Solution

The fourth proportional to 111,836.16, 167,784.21 and 48,669.87 is: 73,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,836.16 : 167,784.21 = 48,669.87 : x
  2. Step 2: Convert to fraction form
    111,836.16/167,784.21 = 48,669.87/x
  3. Step 3: Cross multiply
    111,836.16x = 167,784.21 × 48,669.87
  4. Step 4: Simplify right side
    111,836.16x = 8,166,035,688.75
  5. Step 5: Solve for x
    x = 8,166,035,688.75/111,836.16
  6. Step 6: Final answer
    x = 73,017.85

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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.