Home / 110,977.17-153,157.87-67,956.45

Finding the Fourth Proportional to 110,977.17, 153,157.87 and 67,956.45

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Solution

The fourth proportional to 110,977.17, 153,157.87 and 67,956.45 is: 93,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,977.17 : 153,157.87 = 67,956.45 : x
  2. Step 2: Convert to fraction form
    110,977.17/153,157.87 = 67,956.45/x
  3. Step 3: Cross multiply
    110,977.17x = 153,157.87 × 67,956.45
  4. Step 4: Simplify right side
    110,977.17x = 10,408,064,645.37
  5. Step 5: Solve for x
    x = 10,408,064,645.37/110,977.17
  6. Step 6: Final answer
    x = 93,785.64

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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.