Home / 112,933.30-155,845.64-62,632.30

Finding the Fourth Proportional to 112,933.30, 155,845.64 and 62,632.30

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Solution

The fourth proportional to 112,933.30, 155,845.64 and 62,632.30 is: 86,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,933.30 : 155,845.64 = 62,632.30 : x
  2. Step 2: Convert to fraction form
    112,933.30/155,845.64 = 62,632.30/x
  3. Step 3: Cross multiply
    112,933.30x = 155,845.64 × 62,632.30
  4. Step 4: Simplify right side
    112,933.30x = 9,760,970,878.17
  5. Step 5: Solve for x
    x = 9,760,970,878.17/112,933.30
  6. Step 6: Final answer
    x = 86,431.29

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1.5x scale

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.