Home / 87,328.67-120,559.41-58,798.35

Finding the Fourth Proportional to 87,328.67, 120,559.41 and 58,798.35

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Solution

The fourth proportional to 87,328.67, 120,559.41 and 58,798.35 is: 81,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.67 : 120,559.41 = 58,798.35 : x
  2. Step 2: Convert to fraction form
    87,328.67/120,559.41 = 58,798.35/x
  3. Step 3: Cross multiply
    87,328.67x = 120,559.41 × 58,798.35
  4. Step 4: Simplify right side
    87,328.67x = 7,088,694,384.97
  5. Step 5: Solve for x
    x = 7,088,694,384.97/87,328.67
  6. Step 6: Final answer
    x = 81,172.60

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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.