Home / 57,099.60-85,667.76-17,664.48

Finding the Fourth Proportional to 57,099.60, 85,667.76 and 17,664.48

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Solution

The fourth proportional to 57,099.60, 85,667.76 and 17,664.48 is: 26,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.60 : 85,667.76 = 17,664.48 : x
  2. Step 2: Convert to fraction form
    57,099.60/85,667.76 = 17,664.48/x
  3. Step 3: Cross multiply
    57,099.60x = 85,667.76 × 17,664.48
  4. Step 4: Simplify right side
    57,099.60x = 1,513,276,433.16
  5. Step 5: Solve for x
    x = 1,513,276,433.16/57,099.60
  6. Step 6: Final answer
    x = 26,502.40

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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.