Home / 57,686.68-86,378.98-46,381.94

Finding the Fourth Proportional to 57,686.68, 86,378.98 and 46,381.94

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Solution

The fourth proportional to 57,686.68, 86,378.98 and 46,381.94 is: 69,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.68 : 86,378.98 = 46,381.94 : x
  2. Step 2: Convert to fraction form
    57,686.68/86,378.98 = 46,381.94/x
  3. Step 3: Cross multiply
    57,686.68x = 86,378.98 × 46,381.94
  4. Step 4: Simplify right side
    57,686.68x = 4,006,424,904.05
  5. Step 5: Solve for x
    x = 4,006,424,904.05/57,686.68
  6. Step 6: Final answer
    x = 69,451.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.