Home / 57,424.75-86,130.28-15,307.99

Finding the Fourth Proportional to 57,424.75, 86,130.28 and 15,307.99

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Solution

The fourth proportional to 57,424.75, 86,130.28 and 15,307.99 is: 22,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424.75 : 86,130.28 = 15,307.99 : x
  2. Step 2: Convert to fraction form
    57,424.75/86,130.28 = 15,307.99/x
  3. Step 3: Cross multiply
    57,424.75x = 86,130.28 × 15,307.99
  4. Step 4: Simplify right side
    57,424.75x = 1,318,481,464.94
  5. Step 5: Solve for x
    x = 1,318,481,464.94/57,424.75
  6. Step 6: Final answer
    x = 22,960.16

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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.