Home / 117,430.32-162,052.56-63,716.52

Finding the Fourth Proportional to 117,430.32, 162,052.56 and 63,716.52

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Solution

The fourth proportional to 117,430.32, 162,052.56 and 63,716.52 is: 87,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,430.32 : 162,052.56 = 63,716.52 : x
  2. Step 2: Convert to fraction form
    117,430.32/162,052.56 = 63,716.52/x
  3. Step 3: Cross multiply
    117,430.32x = 162,052.56 × 63,716.52
  4. Step 4: Simplify right side
    117,430.32x = 10,325,425,180.29
  5. Step 5: Solve for x
    x = 10,325,425,180.29/117,430.32
  6. Step 6: Final answer
    x = 87,928.10

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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.