Home / 89,872.12-134,808.04-30,708.24

Finding the Fourth Proportional to 89,872.12, 134,808.04 and 30,708.24

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Solution

The fourth proportional to 89,872.12, 134,808.04 and 30,708.24 is: 46,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,872.12 : 134,808.04 = 30,708.24 : x
  2. Step 2: Convert to fraction form
    89,872.12/134,808.04 = 30,708.24/x
  3. Step 3: Cross multiply
    89,872.12x = 134,808.04 × 30,708.24
  4. Step 4: Simplify right side
    89,872.12x = 4,139,717,646.25
  5. Step 5: Solve for x
    x = 4,139,717,646.25/89,872.12
  6. Step 6: Final answer
    x = 46,062.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.