Home / 86,562.14-119,380.47-61,023.45

Finding the Fourth Proportional to 86,562.14, 119,380.47 and 61,023.45

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Solution

The fourth proportional to 86,562.14, 119,380.47 and 61,023.45 is: 84,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562.14 : 119,380.47 = 61,023.45 : x
  2. Step 2: Convert to fraction form
    86,562.14/119,380.47 = 61,023.45/x
  3. Step 3: Cross multiply
    86,562.14x = 119,380.47 × 61,023.45
  4. Step 4: Simplify right side
    86,562.14x = 7,285,008,282.55
  5. Step 5: Solve for x
    x = 7,285,008,282.55/86,562.14
  6. Step 6: Final answer
    x = 84,159.29

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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.