Home / 61,715.89-92,499.38-28,390.24

Finding the Fourth Proportional to 61,715.89, 92,499.38 and 28,390.24

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Solution

The fourth proportional to 61,715.89, 92,499.38 and 28,390.24 is: 42,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.89 : 92,499.38 = 28,390.24 : x
  2. Step 2: Convert to fraction form
    61,715.89/92,499.38 = 28,390.24/x
  3. Step 3: Cross multiply
    61,715.89x = 92,499.38 × 28,390.24
  4. Step 4: Simplify right side
    61,715.89x = 2,626,078,993.60
  5. Step 5: Solve for x
    x = 2,626,078,993.60/61,715.89
  6. Step 6: Final answer
    x = 42,551.10

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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.