Home / 97,989.48-146,985.84-27,870.60

Finding the Fourth Proportional to 97,989.48, 146,985.84 and 27,870.60

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Solution

The fourth proportional to 97,989.48, 146,985.84 and 27,870.60 is: 41,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,989.48 : 146,985.84 = 27,870.60 : x
  2. Step 2: Convert to fraction form
    97,989.48/146,985.84 = 27,870.60/x
  3. Step 3: Cross multiply
    97,989.48x = 146,985.84 × 27,870.60
  4. Step 4: Simplify right side
    97,989.48x = 4,096,583,552.30
  5. Step 5: Solve for x
    x = 4,096,583,552.30/97,989.48
  6. Step 6: Final answer
    x = 41,806.36

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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.