Home / 84,900.11-127,156.01-40,558.01

Finding the Fourth Proportional to 84,900.11, 127,156.01 and 40,558.01

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Solution

The fourth proportional to 84,900.11, 127,156.01 and 40,558.01 is: 60,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.11 : 127,156.01 = 40,558.01 : x
  2. Step 2: Convert to fraction form
    84,900.11/127,156.01 = 40,558.01/x
  3. Step 3: Cross multiply
    84,900.11x = 127,156.01 × 40,558.01
  4. Step 4: Simplify right side
    84,900.11x = 5,157,193,886.57
  5. Step 5: Solve for x
    x = 5,157,193,886.57/84,900.11
  6. Step 6: Final answer
    x = 60,744.26

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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.