Home / 52,762.41-79,143.46-40,772.01

Finding the Fourth Proportional to 52,762.41, 79,143.46 and 40,772.01

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Solution

The fourth proportional to 52,762.41, 79,143.46 and 40,772.01 is: 61,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,762.41 : 79,143.46 = 40,772.01 : x
  2. Step 2: Convert to fraction form
    52,762.41/79,143.46 = 40,772.01/x
  3. Step 3: Cross multiply
    52,762.41x = 79,143.46 × 40,772.01
  4. Step 4: Simplify right side
    52,762.41x = 3,226,837,696.73
  5. Step 5: Solve for x
    x = 3,226,837,696.73/52,762.41
  6. Step 6: Final answer
    x = 61,157.89

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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.