Home / 59,130.28-88,707.09-21,690.69

Finding the Fourth Proportional to 59,130.28, 88,707.09 and 21,690.69

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Solution

The fourth proportional to 59,130.28, 88,707.09 and 21,690.69 is: 32,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,130.28 : 88,707.09 = 21,690.69 : x
  2. Step 2: Convert to fraction form
    59,130.28/88,707.09 = 21,690.69/x
  3. Step 3: Cross multiply
    59,130.28x = 88,707.09 × 21,690.69
  4. Step 4: Simplify right side
    59,130.28x = 1,924,118,403.98
  5. Step 5: Solve for x
    x = 1,924,118,403.98/59,130.28
  6. Step 6: Final answer
    x = 32,540.33

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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.