Home / 57,780.25-86,667.54-22,258.51

Finding the Fourth Proportional to 57,780.25, 86,667.54 and 22,258.51

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Solution

The fourth proportional to 57,780.25, 86,667.54 and 22,258.51 is: 33,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780.25 : 86,667.54 = 22,258.51 : x
  2. Step 2: Convert to fraction form
    57,780.25/86,667.54 = 22,258.51/x
  3. Step 3: Cross multiply
    57,780.25x = 86,667.54 × 22,258.51
  4. Step 4: Simplify right side
    57,780.25x = 1,929,090,305.77
  5. Step 5: Solve for x
    x = 1,929,090,305.77/57,780.25
  6. Step 6: Final answer
    x = 33,386.67

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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.