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Finding the Fourth Proportional to 65,087.73, 97,629.75 and 20,717.13

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Solution

The fourth proportional to 65,087.73, 97,629.75 and 20,717.13 is: 31,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,087.73 : 97,629.75 = 20,717.13 : x
  2. Step 2: Convert to fraction form
    65,087.73/97,629.75 = 20,717.13/x
  3. Step 3: Cross multiply
    65,087.73x = 97,629.75 × 20,717.13
  4. Step 4: Simplify right side
    65,087.73x = 2,022,608,222.62
  5. Step 5: Solve for x
    x = 2,022,608,222.62/65,087.73
  6. Step 6: Final answer
    x = 31,075.11

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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.