Home / 83,742.30-115,564.62-45,501.54

Finding the Fourth Proportional to 83,742.30, 115,564.62 and 45,501.54

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Solution

The fourth proportional to 83,742.30, 115,564.62 and 45,501.54 is: 62,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,742.30 : 115,564.62 = 45,501.54 : x
  2. Step 2: Convert to fraction form
    83,742.30/115,564.62 = 45,501.54/x
  3. Step 3: Cross multiply
    83,742.30x = 115,564.62 × 45,501.54
  4. Step 4: Simplify right side
    83,742.30x = 5,258,368,179.51
  5. Step 5: Solve for x
    x = 5,258,368,179.51/83,742.30
  6. Step 6: Final answer
    x = 62,792.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.