Home / 95,071.80-131,157.90-57,325.08

Finding the Fourth Proportional to 95,071.80, 131,157.90 and 57,325.08

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Solution

The fourth proportional to 95,071.80, 131,157.90 and 57,325.08 is: 79,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,071.80 : 131,157.90 = 57,325.08 : x
  2. Step 2: Convert to fraction form
    95,071.80/131,157.90 = 57,325.08/x
  3. Step 3: Cross multiply
    95,071.80x = 131,157.90 × 57,325.08
  4. Step 4: Simplify right side
    95,071.80x = 7,518,637,110.13
  5. Step 5: Solve for x
    x = 7,518,637,110.13/95,071.80
  6. Step 6: Final answer
    x = 79,083.78

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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.