Home / 117,947.21-176,763.20-42,996.96

Finding the Fourth Proportional to 117,947.21, 176,763.20 and 42,996.96

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Solution

The fourth proportional to 117,947.21, 176,763.20 and 42,996.96 is: 64,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,947.21 : 176,763.20 = 42,996.96 : x
  2. Step 2: Convert to fraction form
    117,947.21/176,763.20 = 42,996.96/x
  3. Step 3: Cross multiply
    117,947.21x = 176,763.20 × 42,996.96
  4. Step 4: Simplify right side
    117,947.21x = 7,600,280,024.89
  5. Step 5: Solve for x
    x = 7,600,280,024.89/117,947.21
  6. Step 6: Final answer
    x = 64,437.98

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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.