Home / 58,159.29-87,238.97-18,716.40

Finding the Fourth Proportional to 58,159.29, 87,238.97 and 18,716.40

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Solution

The fourth proportional to 58,159.29, 87,238.97 and 18,716.40 is: 28,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,159.29 : 87,238.97 = 18,716.40 : x
  2. Step 2: Convert to fraction form
    58,159.29/87,238.97 = 18,716.40/x
  3. Step 3: Cross multiply
    58,159.29x = 87,238.97 × 18,716.40
  4. Step 4: Simplify right side
    58,159.29x = 1,632,799,364.53
  5. Step 5: Solve for x
    x = 1,632,799,364.53/58,159.29
  6. Step 6: Final answer
    x = 28,074.61

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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.