Home / 71,984.10-99,312.57-48,125.82

Finding the Fourth Proportional to 71,984.10, 99,312.57 and 48,125.82

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Solution

The fourth proportional to 71,984.10, 99,312.57 and 48,125.82 is: 66,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,984.10 : 99,312.57 = 48,125.82 : x
  2. Step 2: Convert to fraction form
    71,984.10/99,312.57 = 48,125.82/x
  3. Step 3: Cross multiply
    71,984.10x = 99,312.57 × 48,125.82
  4. Step 4: Simplify right side
    71,984.10x = 4,779,498,867.56
  5. Step 5: Solve for x
    x = 4,779,498,867.56/71,984.10
  6. Step 6: Final answer
    x = 66,396.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.