Home / 90,828.92-125,272.90-59,008.07

Finding the Fourth Proportional to 90,828.92, 125,272.90 and 59,008.07

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Solution

The fourth proportional to 90,828.92, 125,272.90 and 59,008.07 is: 81,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828.92 : 125,272.90 = 59,008.07 : x
  2. Step 2: Convert to fraction form
    90,828.92/125,272.90 = 59,008.07/x
  3. Step 3: Cross multiply
    90,828.92x = 125,272.90 × 59,008.07
  4. Step 4: Simplify right side
    90,828.92x = 7,392,112,052.30
  5. Step 5: Solve for x
    x = 7,392,112,052.30/90,828.92
  6. Step 6: Final answer
    x = 81,385.00

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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.