Home / 112,004.22-154,565.78-61,703.22

Finding the Fourth Proportional to 112,004.22, 154,565.78 and 61,703.22

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Solution

The fourth proportional to 112,004.22, 154,565.78 and 61,703.22 is: 85,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004.22 : 154,565.78 = 61,703.22 : x
  2. Step 2: Convert to fraction form
    112,004.22/154,565.78 = 61,703.22/x
  3. Step 3: Cross multiply
    112,004.22x = 154,565.78 × 61,703.22
  4. Step 4: Simplify right side
    112,004.22x = 9,537,206,327.81
  5. Step 5: Solve for x
    x = 9,537,206,327.81/112,004.22
  6. Step 6: Final answer
    x = 85,150.42

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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.