Home / 65,128.36-97,692.54-23,575.72

Finding the Fourth Proportional to 65,128.36, 97,692.54 and 23,575.72

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Solution

The fourth proportional to 65,128.36, 97,692.54 and 23,575.72 is: 35,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,128.36 : 97,692.54 = 23,575.72 : x
  2. Step 2: Convert to fraction form
    65,128.36/97,692.54 = 23,575.72/x
  3. Step 3: Cross multiply
    65,128.36x = 97,692.54 × 23,575.72
  4. Step 4: Simplify right side
    65,128.36x = 2,303,171,969.13
  5. Step 5: Solve for x
    x = 2,303,171,969.13/65,128.36
  6. Step 6: Final answer
    x = 35,363.58

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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.