Home / 115,886.52-173,829.78-74,595.96

Finding the Fourth Proportional to 115,886.52, 173,829.78 and 74,595.96

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Solution

The fourth proportional to 115,886.52, 173,829.78 and 74,595.96 is: 111,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,886.52 : 173,829.78 = 74,595.96 : x
  2. Step 2: Convert to fraction form
    115,886.52/173,829.78 = 74,595.96/x
  3. Step 3: Cross multiply
    115,886.52x = 173,829.78 × 74,595.96
  4. Step 4: Simplify right side
    115,886.52x = 12,966,999,315.69
  5. Step 5: Solve for x
    x = 12,966,999,315.69/115,886.52
  6. Step 6: Final answer
    x = 111,893.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.