Home / 58,818.48-81,169.79-31,961.17

Finding the Fourth Proportional to 58,818.48, 81,169.79 and 31,961.17

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Solution

The fourth proportional to 58,818.48, 81,169.79 and 31,961.17 is: 44,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,818.48 : 81,169.79 = 31,961.17 : x
  2. Step 2: Convert to fraction form
    58,818.48/81,169.79 = 31,961.17/x
  3. Step 3: Cross multiply
    58,818.48x = 81,169.79 × 31,961.17
  4. Step 4: Simplify right side
    58,818.48x = 2,594,281,457.05
  5. Step 5: Solve for x
    x = 2,594,281,457.05/58,818.48
  6. Step 6: Final answer
    x = 44,106.57

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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.