Home / 48,205.40-72,308.10-31,292.60

Finding the Fourth Proportional to 48,205.40, 72,308.10 and 31,292.60

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Solution

The fourth proportional to 48,205.40, 72,308.10 and 31,292.60 is: 46,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,205.40 : 72,308.10 = 31,292.60 : x
  2. Step 2: Convert to fraction form
    48,205.40/72,308.10 = 31,292.60/x
  3. Step 3: Cross multiply
    48,205.40x = 72,308.10 × 31,292.60
  4. Step 4: Simplify right side
    48,205.40x = 2,262,708,450.06
  5. Step 5: Solve for x
    x = 2,262,708,450.06/48,205.40
  6. Step 6: Final answer
    x = 46,938.90

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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.