Home / 65,222.14-97,840.08-20,838.46

Finding the Fourth Proportional to 65,222.14, 97,840.08 and 20,838.46

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Solution

The fourth proportional to 65,222.14, 97,840.08 and 20,838.46 is: 31,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222.14 : 97,840.08 = 20,838.46 : x
  2. Step 2: Convert to fraction form
    65,222.14/97,840.08 = 20,838.46/x
  3. Step 3: Cross multiply
    65,222.14x = 97,840.08 × 20,838.46
  4. Step 4: Simplify right side
    65,222.14x = 2,038,836,593.48
  5. Step 5: Solve for x
    x = 2,038,836,593.48/65,222.14
  6. Step 6: Final answer
    x = 31,259.88

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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.