Home / 58,492.09-80,719.08-31,634.60

Finding the Fourth Proportional to 58,492.09, 80,719.08 and 31,634.60

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Solution

The fourth proportional to 58,492.09, 80,719.08 and 31,634.60 is: 43,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,492.09 : 80,719.08 = 31,634.60 : x
  2. Step 2: Convert to fraction form
    58,492.09/80,719.08 = 31,634.60/x
  3. Step 3: Cross multiply
    58,492.09x = 80,719.08 × 31,634.60
  4. Step 4: Simplify right side
    58,492.09x = 2,553,515,404.57
  5. Step 5: Solve for x
    x = 2,553,515,404.57/58,492.09
  6. Step 6: Final answer
    x = 43,655.74

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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.