Home / 59,869.10-89,812.88-20,416.98

Finding the Fourth Proportional to 59,869.10, 89,812.88 and 20,416.98

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Solution

The fourth proportional to 59,869.10, 89,812.88 and 20,416.98 is: 30,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,869.10 : 89,812.88 = 20,416.98 : x
  2. Step 2: Convert to fraction form
    59,869.10/89,812.88 = 20,416.98/x
  3. Step 3: Cross multiply
    59,869.10x = 89,812.88 × 20,416.98
  4. Step 4: Simplify right side
    59,869.10x = 1,833,707,672.62
  5. Step 5: Solve for x
    x = 1,833,707,672.62/59,869.10
  6. Step 6: Final answer
    x = 30,628.62

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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.