Home / 55,856.62-83,758.54-20,293.14

Finding the Fourth Proportional to 55,856.62, 83,758.54 and 20,293.14

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Solution

The fourth proportional to 55,856.62, 83,758.54 and 20,293.14 is: 30,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.62 : 83,758.54 = 20,293.14 : x
  2. Step 2: Convert to fraction form
    55,856.62/83,758.54 = 20,293.14/x
  3. Step 3: Cross multiply
    55,856.62x = 83,758.54 × 20,293.14
  4. Step 4: Simplify right side
    55,856.62x = 1,699,724,079.83
  5. Step 5: Solve for x
    x = 1,699,724,079.83/55,856.62
  6. Step 6: Final answer
    x = 30,430.13

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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.