Home / 86,463.68-119,299.55-52,471.40

Finding the Fourth Proportional to 86,463.68, 119,299.55 and 52,471.40

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Solution

The fourth proportional to 86,463.68, 119,299.55 and 52,471.40 is: 72,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,463.68 : 119,299.55 = 52,471.40 : x
  2. Step 2: Convert to fraction form
    86,463.68/119,299.55 = 52,471.40/x
  3. Step 3: Cross multiply
    86,463.68x = 119,299.55 × 52,471.40
  4. Step 4: Simplify right side
    86,463.68x = 6,259,814,407.87
  5. Step 5: Solve for x
    x = 6,259,814,407.87/86,463.68
  6. Step 6: Final answer
    x = 72,398.20

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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.