Home / 65,189.41-97,801.26-20,817.07

Finding the Fourth Proportional to 65,189.41, 97,801.26 and 20,817.07

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Solution

The fourth proportional to 65,189.41, 97,801.26 and 20,817.07 is: 31,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,189.41 : 97,801.26 = 20,817.07 : x
  2. Step 2: Convert to fraction form
    65,189.41/97,801.26 = 20,817.07/x
  3. Step 3: Cross multiply
    65,189.41x = 97,801.26 × 20,817.07
  4. Step 4: Simplify right side
    65,189.41x = 2,035,935,675.51
  5. Step 5: Solve for x
    x = 2,035,935,675.51/65,189.41
  6. Step 6: Final answer
    x = 31,231.08

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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.