Home / 84,650.04-126,977.40-47,189.16

Finding the Fourth Proportional to 84,650.04, 126,977.40 and 47,189.16

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Solution

The fourth proportional to 84,650.04, 126,977.40 and 47,189.16 is: 70,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,650.04 : 126,977.40 = 47,189.16 : x
  2. Step 2: Convert to fraction form
    84,650.04/126,977.40 = 47,189.16/x
  3. Step 3: Cross multiply
    84,650.04x = 126,977.40 × 47,189.16
  4. Step 4: Simplify right side
    84,650.04x = 5,991,956,844.98
  5. Step 5: Solve for x
    x = 5,991,956,844.98/84,650.04
  6. Step 6: Final answer
    x = 70,785.04

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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.