Home / 113,769.83-170,426.28-56,671.76

Finding the Fourth Proportional to 113,769.83, 170,426.28 and 56,671.76

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Solution

The fourth proportional to 113,769.83, 170,426.28 and 56,671.76 is: 84,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,769.83 : 170,426.28 = 56,671.76 : x
  2. Step 2: Convert to fraction form
    113,769.83/170,426.28 = 56,671.76/x
  3. Step 3: Cross multiply
    113,769.83x = 170,426.28 × 56,671.76
  4. Step 4: Simplify right side
    113,769.83x = 9,658,357,237.85
  5. Step 5: Solve for x
    x = 9,658,357,237.85/113,769.83
  6. Step 6: Final answer
    x = 84,893.84

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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.