Home / 52,757.02-79,143.32-15,312.24

Finding the Fourth Proportional to 52,757.02, 79,143.32 and 15,312.24

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Solution

The fourth proportional to 52,757.02, 79,143.32 and 15,312.24 is: 22,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.02 : 79,143.32 = 15,312.24 : x
  2. Step 2: Convert to fraction form
    52,757.02/79,143.32 = 15,312.24/x
  3. Step 3: Cross multiply
    52,757.02x = 79,143.32 × 15,312.24
  4. Step 4: Simplify right side
    52,757.02x = 1,211,861,114.52
  5. Step 5: Solve for x
    x = 1,211,861,114.52/52,757.02
  6. Step 6: Final answer
    x = 22,970.62

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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.