Home / 52,424.20-78,558.53-38,505.16

Finding the Fourth Proportional to 52,424.20, 78,558.53 and 38,505.16

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Solution

The fourth proportional to 52,424.20, 78,558.53 and 38,505.16 is: 57,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,424.20 : 78,558.53 = 38,505.16 : x
  2. Step 2: Convert to fraction form
    52,424.20/78,558.53 = 38,505.16/x
  3. Step 3: Cross multiply
    52,424.20x = 78,558.53 × 38,505.16
  4. Step 4: Simplify right side
    52,424.20x = 3,024,908,378.09
  5. Step 5: Solve for x
    x = 3,024,908,378.09/52,424.20
  6. Step 6: Final answer
    x = 57,700.61

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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.