Home / 55,071.69-82,565.73-28,388.92

Finding the Fourth Proportional to 55,071.69, 82,565.73 and 28,388.92

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Solution

The fourth proportional to 55,071.69, 82,565.73 and 28,388.92 is: 42,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.69 : 82,565.73 = 28,388.92 : x
  2. Step 2: Convert to fraction form
    55,071.69/82,565.73 = 28,388.92/x
  3. Step 3: Cross multiply
    55,071.69x = 82,565.73 × 28,388.92
  4. Step 4: Simplify right side
    55,071.69x = 2,343,951,903.71
  5. Step 5: Solve for x
    x = 2,343,951,903.71/55,071.69
  6. Step 6: Final answer
    x = 42,561.83

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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.