Home / 107,599.36-161,548.80-55,045.12

Finding the Fourth Proportional to 107,599.36, 161,548.80 and 55,045.12

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Solution

The fourth proportional to 107,599.36, 161,548.80 and 55,045.12 is: 82,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,599.36 : 161,548.80 = 55,045.12 : x
  2. Step 2: Convert to fraction form
    107,599.36/161,548.80 = 55,045.12/x
  3. Step 3: Cross multiply
    107,599.36x = 161,548.80 × 55,045.12
  4. Step 4: Simplify right side
    107,599.36x = 8,892,473,081.86
  5. Step 5: Solve for x
    x = 8,892,473,081.86/107,599.36
  6. Step 6: Final answer
    x = 82,644.29

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1.5x scale

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.