Home / 57,772.20-86,528.70-56,476.20

Finding the Fourth Proportional to 57,772.20, 86,528.70 and 56,476.20

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Solution

The fourth proportional to 57,772.20, 86,528.70 and 56,476.20 is: 84,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.20 : 86,528.70 = 56,476.20 : x
  2. Step 2: Convert to fraction form
    57,772.20/86,528.70 = 56,476.20/x
  3. Step 3: Cross multiply
    57,772.20x = 86,528.70 × 56,476.20
  4. Step 4: Simplify right side
    57,772.20x = 4,886,812,166.94
  5. Step 5: Solve for x
    x = 4,886,812,166.94/57,772.20
  6. Step 6: Final answer
    x = 84,587.61

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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.