Home / 112,005.25-154,567.18-61,704.25

Finding the Fourth Proportional to 112,005.25, 154,567.18 and 61,704.25

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Solution

The fourth proportional to 112,005.25, 154,567.18 and 61,704.25 is: 85,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.25 : 154,567.18 = 61,704.25 : x
  2. Step 2: Convert to fraction form
    112,005.25/154,567.18 = 61,704.25/x
  3. Step 3: Cross multiply
    112,005.25x = 154,567.18 × 61,704.25
  4. Step 4: Simplify right side
    112,005.25x = 9,537,451,916.52
  5. Step 5: Solve for x
    x = 9,537,451,916.52/112,005.25
  6. Step 6: Final answer
    x = 85,151.83

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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.