Home / 61,581.92-84,981.35-34,724.21

Finding the Fourth Proportional to 61,581.92, 84,981.35 and 34,724.21

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Solution

The fourth proportional to 61,581.92, 84,981.35 and 34,724.21 is: 47,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,581.92 : 84,981.35 = 34,724.21 : x
  2. Step 2: Convert to fraction form
    61,581.92/84,981.35 = 34,724.21/x
  3. Step 3: Cross multiply
    61,581.92x = 84,981.35 × 34,724.21
  4. Step 4: Simplify right side
    61,581.92x = 2,950,909,905.39
  5. Step 5: Solve for x
    x = 2,950,909,905.39/61,581.92
  6. Step 6: Final answer
    x = 47,918.45

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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.