Home / 117,712.26-176,513.04-42,779.52

Finding the Fourth Proportional to 117,712.26, 176,513.04 and 42,779.52

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Solution

The fourth proportional to 117,712.26, 176,513.04 and 42,779.52 is: 64,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,712.26 : 176,513.04 = 42,779.52 : x
  2. Step 2: Convert to fraction form
    117,712.26/176,513.04 = 42,779.52/x
  3. Step 3: Cross multiply
    117,712.26x = 176,513.04 × 42,779.52
  4. Step 4: Simplify right side
    117,712.26x = 7,551,143,124.94
  5. Step 5: Solve for x
    x = 7,551,143,124.94/117,712.26
  6. Step 6: Final answer
    x = 64,149.16

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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.