Home / 48,710.20-72,935.70-31,084.60

Finding the Fourth Proportional to 48,710.20, 72,935.70 and 31,084.60

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Solution

The fourth proportional to 48,710.20, 72,935.70 and 31,084.60 is: 46,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,710.20 : 72,935.70 = 31,084.60 : x
  2. Step 2: Convert to fraction form
    48,710.20/72,935.70 = 31,084.60/x
  3. Step 3: Cross multiply
    48,710.20x = 72,935.70 × 31,084.60
  4. Step 4: Simplify right side
    48,710.20x = 2,267,177,060.22
  5. Step 5: Solve for x
    x = 2,267,177,060.22/48,710.20
  6. Step 6: Final answer
    x = 46,544.20

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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.