Home / 112,036.88-154,618.38-61,735.88

Finding the Fourth Proportional to 112,036.88, 154,618.38 and 61,735.88

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Solution

The fourth proportional to 112,036.88, 154,618.38 and 61,735.88 is: 85,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.88 : 154,618.38 = 61,735.88 : x
  2. Step 2: Convert to fraction form
    112,036.88/154,618.38 = 61,735.88/x
  3. Step 3: Cross multiply
    112,036.88x = 154,618.38 × 61,735.88
  4. Step 4: Simplify right side
    112,036.88x = 9,545,501,753.47
  5. Step 5: Solve for x
    x = 9,545,501,753.47/112,036.88
  6. Step 6: Final answer
    x = 85,199.64

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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.