Home / 118,431.32-177,665.81-47,353.82

Finding the Fourth Proportional to 118,431.32, 177,665.81 and 47,353.82

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Solution

The fourth proportional to 118,431.32, 177,665.81 and 47,353.82 is: 71,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431.32 : 177,665.81 = 47,353.82 : x
  2. Step 2: Convert to fraction form
    118,431.32/177,665.81 = 47,353.82/x
  3. Step 3: Cross multiply
    118,431.32x = 177,665.81 × 47,353.82
  4. Step 4: Simplify right side
    118,431.32x = 8,413,153,661.80
  5. Step 5: Solve for x
    x = 8,413,153,661.80/118,431.32
  6. Step 6: Final answer
    x = 71,038.25

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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.