Home / 112,408.08-155,126.28-62,110.32

Finding the Fourth Proportional to 112,408.08, 155,126.28 and 62,110.32

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Solution

The fourth proportional to 112,408.08, 155,126.28 and 62,110.32 is: 85,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,408.08 : 155,126.28 = 62,110.32 : x
  2. Step 2: Convert to fraction form
    112,408.08/155,126.28 = 62,110.32/x
  3. Step 3: Cross multiply
    112,408.08x = 155,126.28 × 62,110.32
  4. Step 4: Simplify right side
    112,408.08x = 9,634,942,891.21
  5. Step 5: Solve for x
    x = 9,634,942,891.21/112,408.08
  6. Step 6: Final answer
    x = 85,713.97

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1.5x scale

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.