Home / 57,855.29-86,776.45-39,254.81

Finding the Fourth Proportional to 57,855.29, 86,776.45 and 39,254.81

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Solution

The fourth proportional to 57,855.29, 86,776.45 and 39,254.81 is: 58,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,855.29 : 86,776.45 = 39,254.81 : x
  2. Step 2: Convert to fraction form
    57,855.29/86,776.45 = 39,254.81/x
  3. Step 3: Cross multiply
    57,855.29x = 86,776.45 × 39,254.81
  4. Step 4: Simplify right side
    57,855.29x = 3,406,392,525.21
  5. Step 5: Solve for x
    x = 3,406,392,525.21/57,855.29
  6. Step 6: Final answer
    x = 58,877.81

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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.