Home / 58,526.20-87,766.62-21,078.28

Finding the Fourth Proportional to 58,526.20, 87,766.62 and 21,078.28

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Solution

The fourth proportional to 58,526.20, 87,766.62 and 21,078.28 is: 31,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,526.20 : 87,766.62 = 21,078.28 : x
  2. Step 2: Convert to fraction form
    58,526.20/87,766.62 = 21,078.28/x
  3. Step 3: Cross multiply
    58,526.20x = 87,766.62 × 21,078.28
  4. Step 4: Simplify right side
    58,526.20x = 1,849,969,391.01
  5. Step 5: Solve for x
    x = 1,849,969,391.01/58,526.20
  6. Step 6: Final answer
    x = 31,609.25

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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.