Home / 111,126-166,697.50-47,947.62

Finding the Fourth Proportional to 111,126, 166,697.50 and 47,947.62

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Solution

The fourth proportional to 111,126, 166,697.50 and 47,947.62 is: 71,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,126 : 166,697.50 = 47,947.62 : x
  2. Step 2: Convert to fraction form
    111,126/166,697.50 = 47,947.62/x
  3. Step 3: Cross multiply
    111,126x = 166,697.50 × 47,947.62
  4. Step 4: Simplify right side
    111,126x = 7,992,748,384.95
  5. Step 5: Solve for x
    x = 7,992,748,384.95/111,126
  6. Step 6: Final answer
    x = 71,925.10

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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.