Home / 76,893.27-115,343.40-23,581.35

Finding the Fourth Proportional to 76,893.27, 115,343.40 and 23,581.35

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Solution

The fourth proportional to 76,893.27, 115,343.40 and 23,581.35 is: 35,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,893.27 : 115,343.40 = 23,581.35 : x
  2. Step 2: Convert to fraction form
    76,893.27/115,343.40 = 23,581.35/x
  3. Step 3: Cross multiply
    76,893.27x = 115,343.40 × 23,581.35
  4. Step 4: Simplify right side
    76,893.27x = 2,719,953,085.59
  5. Step 5: Solve for x
    x = 2,719,953,085.59/76,893.27
  6. Step 6: Final answer
    x = 35,373.10

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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.