Home / 62,179.20-93,234.60-42,480

Finding the Fourth Proportional to 62,179.20, 93,234.60 and 42,480

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Solution

The fourth proportional to 62,179.20, 93,234.60 and 42,480 is: 63,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,179.20 : 93,234.60 = 42,480 : x
  2. Step 2: Convert to fraction form
    62,179.20/93,234.60 = 42,480/x
  3. Step 3: Cross multiply
    62,179.20x = 93,234.60 × 42,480
  4. Step 4: Simplify right side
    62,179.20x = 3,960,605,808.00
  5. Step 5: Solve for x
    x = 3,960,605,808.00/62,179.20
  6. Step 6: Final answer
    x = 63,696.64

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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.