Home / 117,688.80-176,576.40-47,575.20

Finding the Fourth Proportional to 117,688.80, 176,576.40 and 47,575.20

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Solution

The fourth proportional to 117,688.80, 176,576.40 and 47,575.20 is: 71,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.80 : 176,576.40 = 47,575.20 : x
  2. Step 2: Convert to fraction form
    117,688.80/176,576.40 = 47,575.20/x
  3. Step 3: Cross multiply
    117,688.80x = 176,576.40 × 47,575.20
  4. Step 4: Simplify right side
    117,688.80x = 8,400,657,545.28
  5. Step 5: Solve for x
    x = 8,400,657,545.28/117,688.80
  6. Step 6: Final answer
    x = 71,380.26

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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.