Home / 65,133.02-97,706.64-20,749.34

Finding the Fourth Proportional to 65,133.02, 97,706.64 and 20,749.34

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Solution

The fourth proportional to 65,133.02, 97,706.64 and 20,749.34 is: 31,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,133.02 : 97,706.64 = 20,749.34 : x
  2. Step 2: Convert to fraction form
    65,133.02/97,706.64 = 20,749.34/x
  3. Step 3: Cross multiply
    65,133.02x = 97,706.64 × 20,749.34
  4. Step 4: Simplify right side
    65,133.02x = 2,027,348,293.62
  5. Step 5: Solve for x
    x = 2,027,348,293.62/65,133.02
  6. Step 6: Final answer
    x = 31,126.28

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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.