Home / 113,125.41-169,709.94-42,999.24

Finding the Fourth Proportional to 113,125.41, 169,709.94 and 42,999.24

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Solution

The fourth proportional to 113,125.41, 169,709.94 and 42,999.24 is: 64,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,125.41 : 169,709.94 = 42,999.24 : x
  2. Step 2: Convert to fraction form
    113,125.41/169,709.94 = 42,999.24/x
  3. Step 3: Cross multiply
    113,125.41x = 169,709.94 × 42,999.24
  4. Step 4: Simplify right side
    113,125.41x = 7,297,398,440.45
  5. Step 5: Solve for x
    x = 7,297,398,440.45/113,125.41
  6. Step 6: Final answer
    x = 64,507.16

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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.