Home / 52,091.01-78,139.89-20,926.26

Finding the Fourth Proportional to 52,091.01, 78,139.89 and 20,926.26

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Solution

The fourth proportional to 52,091.01, 78,139.89 and 20,926.26 is: 31,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.01 : 78,139.89 = 20,926.26 : x
  2. Step 2: Convert to fraction form
    52,091.01/78,139.89 = 20,926.26/x
  3. Step 3: Cross multiply
    52,091.01x = 78,139.89 × 20,926.26
  4. Step 4: Simplify right side
    52,091.01x = 1,635,175,654.51
  5. Step 5: Solve for x
    x = 1,635,175,654.51/52,091.01
  6. Step 6: Final answer
    x = 31,390.75

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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.