Home / 58,578.23-80,837.81-31,720.74

Finding the Fourth Proportional to 58,578.23, 80,837.81 and 31,720.74

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Solution

The fourth proportional to 58,578.23, 80,837.81 and 31,720.74 is: 43,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,578.23 : 80,837.81 = 31,720.74 : x
  2. Step 2: Convert to fraction form
    58,578.23/80,837.81 = 31,720.74/x
  3. Step 3: Cross multiply
    58,578.23x = 80,837.81 × 31,720.74
  4. Step 4: Simplify right side
    58,578.23x = 2,564,235,153.18
  5. Step 5: Solve for x
    x = 2,564,235,153.18/58,578.23
  6. Step 6: Final answer
    x = 43,774.54

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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.