Home / 85,297.16-117,646.62-62,629.04

Finding the Fourth Proportional to 85,297.16, 117,646.62 and 62,629.04

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Solution

The fourth proportional to 85,297.16, 117,646.62 and 62,629.04 is: 86,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.16 : 117,646.62 = 62,629.04 : x
  2. Step 2: Convert to fraction form
    85,297.16/117,646.62 = 62,629.04/x
  3. Step 3: Cross multiply
    85,297.16x = 117,646.62 × 62,629.04
  4. Step 4: Simplify right side
    85,297.16x = 7,368,094,869.84
  5. Step 5: Solve for x
    x = 7,368,094,869.84/85,297.16
  6. Step 6: Final answer
    x = 86,381.48

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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.