Home / 57,686.71-86,529.67-31,045.24

Finding the Fourth Proportional to 57,686.71, 86,529.67 and 31,045.24

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Solution

The fourth proportional to 57,686.71, 86,529.67 and 31,045.24 is: 46,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.71 : 86,529.67 = 31,045.24 : x
  2. Step 2: Convert to fraction form
    57,686.71/86,529.67 = 31,045.24/x
  3. Step 3: Cross multiply
    57,686.71x = 86,529.67 × 31,045.24
  4. Step 4: Simplify right side
    57,686.71x = 2,686,334,372.27
  5. Step 5: Solve for x
    x = 2,686,334,372.27/57,686.71
  6. Step 6: Final answer
    x = 46,567.65

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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.