Home / 113,507.03-169,840.17-71,048.86

Finding the Fourth Proportional to 113,507.03, 169,840.17 and 71,048.86

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Solution

The fourth proportional to 113,507.03, 169,840.17 and 71,048.86 is: 106,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,507.03 : 169,840.17 = 71,048.86 : x
  2. Step 2: Convert to fraction form
    113,507.03/169,840.17 = 71,048.86/x
  3. Step 3: Cross multiply
    113,507.03x = 169,840.17 × 71,048.86
  4. Step 4: Simplify right side
    113,507.03x = 12,066,950,460.71
  5. Step 5: Solve for x
    x = 12,066,950,460.71/113,507.03
  6. Step 6: Final answer
    x = 106,310.16

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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.