Home / 85,949.40-118,569.02-51,477.47

Finding the Fourth Proportional to 85,949.40, 118,569.02 and 51,477.47

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Solution

The fourth proportional to 85,949.40, 118,569.02 and 51,477.47 is: 71,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,949.40 : 118,569.02 = 51,477.47 : x
  2. Step 2: Convert to fraction form
    85,949.40/118,569.02 = 51,477.47/x
  3. Step 3: Cross multiply
    85,949.40x = 118,569.02 × 51,477.47
  4. Step 4: Simplify right side
    85,949.40x = 6,103,633,431.33
  5. Step 5: Solve for x
    x = 6,103,633,431.33/85,949.40
  6. Step 6: Final answer
    x = 71,014.26

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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.