Home / 113,381.14-169,812.48-54,258.34

Finding the Fourth Proportional to 113,381.14, 169,812.48 and 54,258.34

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Solution

The fourth proportional to 113,381.14, 169,812.48 and 54,258.34 is: 81,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,381.14 : 169,812.48 = 54,258.34 : x
  2. Step 2: Convert to fraction form
    113,381.14/169,812.48 = 54,258.34/x
  3. Step 3: Cross multiply
    113,381.14x = 169,812.48 × 54,258.34
  4. Step 4: Simplify right side
    113,381.14x = 9,213,743,276.08
  5. Step 5: Solve for x
    x = 9,213,743,276.08/113,381.14
  6. Step 6: Final answer
    x = 81,263.46

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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.