Home / 61,715.56-92,449.38-28,389.28

Finding the Fourth Proportional to 61,715.56, 92,449.38 and 28,389.28

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Solution

The fourth proportional to 61,715.56, 92,449.38 and 28,389.28 is: 42,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.56 : 92,449.38 = 28,389.28 : x
  2. Step 2: Convert to fraction form
    61,715.56/92,449.38 = 28,389.28/x
  3. Step 3: Cross multiply
    61,715.56x = 92,449.38 × 28,389.28
  4. Step 4: Simplify right side
    61,715.56x = 2,624,571,334.65
  5. Step 5: Solve for x
    x = 2,624,571,334.65/61,715.56
  6. Step 6: Final answer
    x = 42,526.90

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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.