Home / 112,171.03-154,795.29-61,870.03

Finding the Fourth Proportional to 112,171.03, 154,795.29 and 61,870.03

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Solution

The fourth proportional to 112,171.03, 154,795.29 and 61,870.03 is: 85,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171.03 : 154,795.29 = 61,870.03 : x
  2. Step 2: Convert to fraction form
    112,171.03/154,795.29 = 61,870.03/x
  3. Step 3: Cross multiply
    112,171.03x = 154,795.29 × 61,870.03
  4. Step 4: Simplify right side
    112,171.03x = 9,577,189,236.16
  5. Step 5: Solve for x
    x = 9,577,189,236.16/112,171.03
  6. Step 6: Final answer
    x = 85,380.24

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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.