Home / 57,928.06-86,898.93-18,471.34

Finding the Fourth Proportional to 57,928.06, 86,898.93 and 18,471.34

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Solution

The fourth proportional to 57,928.06, 86,898.93 and 18,471.34 is: 27,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.06 : 86,898.93 = 18,471.34 : x
  2. Step 2: Convert to fraction form
    57,928.06/86,898.93 = 18,471.34/x
  3. Step 3: Cross multiply
    57,928.06x = 86,898.93 × 18,471.34
  4. Step 4: Simplify right side
    57,928.06x = 1,605,139,681.67
  5. Step 5: Solve for x
    x = 1,605,139,681.67/57,928.06
  6. Step 6: Final answer
    x = 27,709.19

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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.