Home / 80,151.30-110,574-48,302.10

Finding the Fourth Proportional to 80,151.30, 110,574 and 48,302.10

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Solution

The fourth proportional to 80,151.30, 110,574 and 48,302.10 is: 66,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,151.30 : 110,574 = 48,302.10 : x
  2. Step 2: Convert to fraction form
    80,151.30/110,574 = 48,302.10/x
  3. Step 3: Cross multiply
    80,151.30x = 110,574 × 48,302.10
  4. Step 4: Simplify right side
    80,151.30x = 5,340,956,405.40
  5. Step 5: Solve for x
    x = 5,340,956,405.40/80,151.30
  6. Step 6: Final answer
    x = 66,635.93

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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.