Home / 86,462.68-119,298.18-52,470.40

Finding the Fourth Proportional to 86,462.68, 119,298.18 and 52,470.40

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Solution

The fourth proportional to 86,462.68, 119,298.18 and 52,470.40 is: 72,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,462.68 : 119,298.18 = 52,470.40 : x
  2. Step 2: Convert to fraction form
    86,462.68/119,298.18 = 52,470.40/x
  3. Step 3: Cross multiply
    86,462.68x = 119,298.18 × 52,470.40
  4. Step 4: Simplify right side
    86,462.68x = 6,259,622,365.03
  5. Step 5: Solve for x
    x = 6,259,622,365.03/86,462.68
  6. Step 6: Final answer
    x = 72,396.81

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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.