Home / 53,358.18-80,041.26-15,915.30

Finding the Fourth Proportional to 53,358.18, 80,041.26 and 15,915.30

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Solution

The fourth proportional to 53,358.18, 80,041.26 and 15,915.30 is: 23,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,358.18 : 80,041.26 = 15,915.30 : x
  2. Step 2: Convert to fraction form
    53,358.18/80,041.26 = 15,915.30/x
  3. Step 3: Cross multiply
    53,358.18x = 80,041.26 × 15,915.30
  4. Step 4: Simplify right side
    53,358.18x = 1,273,880,665.28
  5. Step 5: Solve for x
    x = 1,273,880,665.28/53,358.18
  6. Step 6: Final answer
    x = 23,874.14

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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.