Home / 52,305.90-72,188.19-31,084.98

Finding the Fourth Proportional to 52,305.90, 72,188.19 and 31,084.98

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Solution

The fourth proportional to 52,305.90, 72,188.19 and 31,084.98 is: 42,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.90 : 72,188.19 = 31,084.98 : x
  2. Step 2: Convert to fraction form
    52,305.90/72,188.19 = 31,084.98/x
  3. Step 3: Cross multiply
    52,305.90x = 72,188.19 × 31,084.98
  4. Step 4: Simplify right side
    52,305.90x = 2,243,968,442.39
  5. Step 5: Solve for x
    x = 2,243,968,442.39/52,305.90
  6. Step 6: Final answer
    x = 42,900.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.