Home / 59,643.20-89,522.40-36,315.20

Finding the Fourth Proportional to 59,643.20, 89,522.40 and 36,315.20

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Solution

The fourth proportional to 59,643.20, 89,522.40 and 36,315.20 is: 54,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,643.20 : 89,522.40 = 36,315.20 : x
  2. Step 2: Convert to fraction form
    59,643.20/89,522.40 = 36,315.20/x
  3. Step 3: Cross multiply
    59,643.20x = 89,522.40 × 36,315.20
  4. Step 4: Simplify right side
    59,643.20x = 3,251,023,860.48
  5. Step 5: Solve for x
    x = 3,251,023,860.48/59,643.20
  6. Step 6: Final answer
    x = 54,507.87

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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.