Home / 114,451.40-157,905.08-69,112.12

Finding the Fourth Proportional to 114,451.40, 157,905.08 and 69,112.12

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Solution

The fourth proportional to 114,451.40, 157,905.08 and 69,112.12 is: 95,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,451.40 : 157,905.08 = 69,112.12 : x
  2. Step 2: Convert to fraction form
    114,451.40/157,905.08 = 69,112.12/x
  3. Step 3: Cross multiply
    114,451.40x = 157,905.08 × 69,112.12
  4. Step 4: Simplify right side
    114,451.40x = 10,913,154,837.57
  5. Step 5: Solve for x
    x = 10,913,154,837.57/114,451.40
  6. Step 6: Final answer
    x = 95,351.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.