Home / 89,828.19-134,703.16-25,772.20

Finding the Fourth Proportional to 89,828.19, 134,703.16 and 25,772.20

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Solution

The fourth proportional to 89,828.19, 134,703.16 and 25,772.20 is: 38,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828.19 : 134,703.16 = 25,772.20 : x
  2. Step 2: Convert to fraction form
    89,828.19/134,703.16 = 25,772.20/x
  3. Step 3: Cross multiply
    89,828.19x = 134,703.16 × 25,772.20
  4. Step 4: Simplify right side
    89,828.19x = 3,471,596,780.15
  5. Step 5: Solve for x
    x = 3,471,596,780.15/89,828.19
  6. Step 6: Final answer
    x = 38,647.07

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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.