Home / 112,667.66-168,996.36-37,782.05

Finding the Fourth Proportional to 112,667.66, 168,996.36 and 37,782.05

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Solution

The fourth proportional to 112,667.66, 168,996.36 and 37,782.05 is: 56,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,667.66 : 168,996.36 = 37,782.05 : x
  2. Step 2: Convert to fraction form
    112,667.66/168,996.36 = 37,782.05/x
  3. Step 3: Cross multiply
    112,667.66x = 168,996.36 × 37,782.05
  4. Step 4: Simplify right side
    112,667.66x = 6,385,028,595.30
  5. Step 5: Solve for x
    x = 6,385,028,595.30/112,667.66
  6. Step 6: Final answer
    x = 56,671.35

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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.