Home / 117,709.05-176,538.06-42,831.03

Finding the Fourth Proportional to 117,709.05, 176,538.06 and 42,831.03

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Solution

The fourth proportional to 117,709.05, 176,538.06 and 42,831.03 is: 64,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,709.05 : 176,538.06 = 42,831.03 : x
  2. Step 2: Convert to fraction form
    117,709.05/176,538.06 = 42,831.03/x
  3. Step 3: Cross multiply
    117,709.05x = 176,538.06 × 42,831.03
  4. Step 4: Simplify right side
    117,709.05x = 7,561,306,944.00
  5. Step 5: Solve for x
    x = 7,561,306,944.00/117,709.05
  6. Step 6: Final answer
    x = 64,237.26

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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.