Home / 112,759.52-155,613.08-62,458.52

Finding the Fourth Proportional to 112,759.52, 155,613.08 and 62,458.52

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Solution

The fourth proportional to 112,759.52, 155,613.08 and 62,458.52 is: 86,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.52 : 155,613.08 = 62,458.52 : x
  2. Step 2: Convert to fraction form
    112,759.52/155,613.08 = 62,458.52/x
  3. Step 3: Cross multiply
    112,759.52x = 155,613.08 × 62,458.52
  4. Step 4: Simplify right side
    112,759.52x = 9,719,362,669.44
  5. Step 5: Solve for x
    x = 9,719,362,669.44/112,759.52
  6. Step 6: Final answer
    x = 86,195.50

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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.