Home / 111,278.92-166,816.54-48,059.40

Finding the Fourth Proportional to 111,278.92, 166,816.54 and 48,059.40

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Solution

The fourth proportional to 111,278.92, 166,816.54 and 48,059.40 is: 72,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,278.92 : 166,816.54 = 48,059.40 : x
  2. Step 2: Convert to fraction form
    111,278.92/166,816.54 = 48,059.40/x
  3. Step 3: Cross multiply
    111,278.92x = 166,816.54 × 48,059.40
  4. Step 4: Simplify right side
    111,278.92x = 8,017,102,822.48
  5. Step 5: Solve for x
    x = 8,017,102,822.48/111,278.92
  6. Step 6: Final answer
    x = 72,045.12

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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.