Home / 85,526.78-118,032.73-49,716.68

Finding the Fourth Proportional to 85,526.78, 118,032.73 and 49,716.68

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Solution

The fourth proportional to 85,526.78, 118,032.73 and 49,716.68 is: 68,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,526.78 : 118,032.73 = 49,716.68 : x
  2. Step 2: Convert to fraction form
    85,526.78/118,032.73 = 49,716.68/x
  3. Step 3: Cross multiply
    85,526.78x = 118,032.73 × 49,716.68
  4. Step 4: Simplify right side
    85,526.78x = 5,868,195,466.94
  5. Step 5: Solve for x
    x = 5,868,195,466.94/85,526.78
  6. Step 6: Final answer
    x = 68,612.37

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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.