Home / 86,815.68-119,810.28-48,572.96

Finding the Fourth Proportional to 86,815.68, 119,810.28 and 48,572.96

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Solution

The fourth proportional to 86,815.68, 119,810.28 and 48,572.96 is: 67,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.68 : 119,810.28 = 48,572.96 : x
  2. Step 2: Convert to fraction form
    86,815.68/119,810.28 = 48,572.96/x
  3. Step 3: Cross multiply
    86,815.68x = 119,810.28 × 48,572.96
  4. Step 4: Simplify right side
    86,815.68x = 5,819,539,338.98
  5. Step 5: Solve for x
    x = 5,819,539,338.98/86,815.68
  6. Step 6: Final answer
    x = 67,033.27

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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.