Home / 86,338.49-119,145.31-48,097.98

Finding the Fourth Proportional to 86,338.49, 119,145.31 and 48,097.98

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Solution

The fourth proportional to 86,338.49, 119,145.31 and 48,097.98 is: 66,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,338.49 : 119,145.31 = 48,097.98 : x
  2. Step 2: Convert to fraction form
    86,338.49/119,145.31 = 48,097.98/x
  3. Step 3: Cross multiply
    86,338.49x = 119,145.31 × 48,097.98
  4. Step 4: Simplify right side
    86,338.49x = 5,730,648,737.47
  5. Step 5: Solve for x
    x = 5,730,648,737.47/86,338.49
  6. Step 6: Final answer
    x = 66,374.21

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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.