Home / 76,919.52-115,370.64-29,501.35

Finding the Fourth Proportional to 76,919.52, 115,370.64 and 29,501.35

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Solution

The fourth proportional to 76,919.52, 115,370.64 and 29,501.35 is: 44,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,919.52 : 115,370.64 = 29,501.35 : x
  2. Step 2: Convert to fraction form
    76,919.52/115,370.64 = 29,501.35/x
  3. Step 3: Cross multiply
    76,919.52x = 115,370.64 × 29,501.35
  4. Step 4: Simplify right side
    76,919.52x = 3,403,588,953.38
  5. Step 5: Solve for x
    x = 3,403,588,953.38/76,919.52
  6. Step 6: Final answer
    x = 44,248.70

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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.