Home / 56,928.65-85,579.79-52,818.30

Finding the Fourth Proportional to 56,928.65, 85,579.79 and 52,818.30

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Solution

The fourth proportional to 56,928.65, 85,579.79 and 52,818.30 is: 79,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.65 : 85,579.79 = 52,818.30 : x
  2. Step 2: Convert to fraction form
    56,928.65/85,579.79 = 52,818.30/x
  3. Step 3: Cross multiply
    56,928.65x = 85,579.79 × 52,818.30
  4. Step 4: Simplify right side
    56,928.65x = 4,520,178,758.07
  5. Step 5: Solve for x
    x = 4,520,178,758.07/56,928.65
  6. Step 6: Final answer
    x = 79,400.78

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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.